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WINNETKA WEEKLY 13 Continued from page 9 extended of Sheridan Road, except the pave- ments herein proposed to be constructed at the intersections of said Hawthorn Lane with Poplar Street, Myrtle Street, Fairview Avenue, and Woodland Avenue; ELDER LANE from the present pavement in Wil- son Street to the southwesterly line ex- tended of Sheridan Road, except the pave- ments herein proposed to be constructed at the intersections of said Elder Lane with Poplar Street, Myrtle Street and Woodland Avenue; SUNSET ROAD from the pavement herein proposed to be constructed in Poplar Street and from the present pavement in Wilson Street to the west line of the Remy Park Subdivision, except the pavement here- in proposed to be constructed at the inter- section of said Sunset Road with Myrtle Street ; also SUNSET ROAD in said Remy Park subdivision from the west line of said subdivision easterly and northeasterly along curved lines to a point north of and opposite the east end of the curved line bounding the northwesterly portion of the public park in said subdivision lying west of Woodland Avenue, thence cast in a straight line paraliel with the straight line and said straight line extended bounding the north side of the several public parks in said subdivision to a point north of and op- posite the west end of the curved line bound- ing the easterly portion of the public park in said subdivision lying east of Essex Road, thence easterly, southerly and west- erly parallel with the said curved line beunding the easterly end of said last men- tioned public park to a point south of and opposite the west end of said curved boundary line, thence west in a straight line parallel with the straight line and said straight line extemded bounding the south side of the several public parks in said sub- division to a point south of and opposite the east end of the curved line bounding the southwesterly portion of the said public park lying west of Woodland Avenue, thence northwesterly and westerly along curved lines to and connecting with the pavement hereinbefore proposed to be constructed in said Sunset Road at the west line of said Remy Park Subdivision, except the pave- ments. herein proposed to be constructed at the intersections of said Sunset Road with Woodland Avenue, and except the pave- ments herein proposed to be constructed at the intersections of said Sunset Road with Essex Road; HILL ROAD from the present pavement in Wilson Street to the present avement at the west line of Trier Center Neighborhood Subdivision; that portion of WINNETKA AVENUE within the Village of Winnetka from the northeasterly line ex- tended from the northwest of the right of way of the Chicago, North Shore and Mil- waukee Railroad to the west line of the southeast quarter of section twenty-one (21), township forty-two (42) north, range thirteen (13) east; aiso WINNETKA AVE- NUE from the said west line of the south- east quarter of secticn twenty-one (21) and from the west line of the northeast quarter of section twenty-eight (28), township and range aforesaid, to the east line and the east line extended of the west half of the sald northeast quarter of section twenty- eight (28) aforesaid; also that part of WINNETKA AVENUE within the Village of Winnetka from the east line extended of said west half of the northeast quarter of section twenty-eight (28) aforesaid to the southwesterly line extended from the northwest of Sheridan Road; BERTLING LANE from the pavement herein proposed to be constructed in Winnetka Avenue to and connecting with the present pavement in said Bertling Lane fifty-eight (58) feet north of and parallel with the north line extended of said Winnetka Avenue; also the street returns of Winnetka Avenue at Wilson Street, Warwick Avenue, Abbotts- ford Road, and that portion of the south street return of said Winnetka Avenue at Essex Road within the yinage of etka, as far back the street line of etka . sting ; ig he improved x ; present mal e covers, g present catehbasin sting covers, present con- crete sidewalk or Sdjuse resetting present fire hydrants, resetting present electric light poles, furnishing and setting new cast iron manhole covers and cast iron catch- basin covers, constructing brick masonry valve vaults, constructing new concrete side- walk approaches, constructing vitrified, salt glazed tile road drains and connections, con- structing brick masonry manholes with cast iron covers, constructing brick masonry combination manholes and catchbasins with cast iren covers, constructing brick mason- ry catchbasins with cast iron covers, con- structing cast iron sewer inlets each on a concrete base, refilling tile road trenches under proposed pavements with sand, refill- ing all other tile road drain trenches in said proposed improvement with equal parts cinders and earth, excavating, grading and preparing the subgrade to receive the pro- posed pavement, grading tnd leveling the parkways, grubbing, removing all surplus ex- cavated materials and paving with a one (1) course reinforced Portland cement con- crete pavement with integral curbs, with asphaltic felt filled joints, including a two (2) inch earth covering upon said pave- ment, the wetting and cleaning of the said concrete wearing surface of said proposed pavement, including all labor and material, and engineering and supervision during the construction of the said proposed improve- ment. The width of the roadway to be covered with the p concrete pavement, in- gilding ne integral curb in thot t of ine a Avenue 8 a ar mae veallage UI vrei i 1/48 from ~~ WithéR story line extended we wc dOrthwest, of the right of way of the Chicago, North Shore and Milwaukee Railroad to the west line of the southeast quarter of section twenty-one (21), town- ship forty-two (42) north, range thirteen (13) east, shall be fourteen (14) feet. The width of the roadway to be covered with the proposed concrete pavement, in- cluding the integral curbs in that part of Winnetka Avenue from the west line of sald southeast quarter of section twenty-one (21) and from the west line of the north- east quarter of section twenty-eight (28) in the township and range aforesaid, to the east line and the east line extended of the west half of the northeast quarter of sec- tion twenty-eight (28) aforesaid shall be twenty-eight (28) feet, except between the proposed pavement in Woodland Avenue and the proposed pavement in Essex Road where the proposed pavement, including in- tegral curbs, shall be thirty-nine (39) feet in width, fourteen (14) feet of which said proposed pavement shall be laid south of and adjoining the center line of Winnetka Avenue and the remaining twenty-five (25) feet of said proposed pavement shall be laid north of and adjoining the center line of Winnetka Avenue. The width of the roadway to be covered with the proposed concrete pavement in- cluding integral curb, in that part of Win- netka Avenue within the Village of Win- netka from the east line extended of the west half of the northeast quarter of said section twenty-eight (28) to the south- westerly line extended from the northwest 2 Sheridan Road shall be fourteen (14) eet. The width of the roadway to be covered with the proposed concrete pavement, in- cluding integral curbs, in Woodland Ave- nue shall be nineteen (19) feet, except from the proposed pavement in Winnetka Avenue to the south line of Remy Park Subdivisi where the proposed pavement, including "in- tegral curbs, shall be twenty-seven (27) feet six (6) inches in width, nine (9) feet six (6) inches of which said proposed pave- ment shall be laid west of and adjoining the center line of Woodland Avenue an the remaining eight (18) feet of si 3 AT the roadway to be covered wy FICIES LI » furnished with a cast iron with the proposed concrete pavement, in- cluding integral curbs, in Essex Road shall be nineteen (19) feet except from the pro- posed pavement in Winnetka Avenue to the south line of Remy Park Subdivision where the proposed pavement, including integral curbs, shall be twenty-seven (27) feet six (6) inches in width, nine (9) feet six (6) inches of which said proposed pavement shall be laid east of and adjoining the cen- ter line of Essex Road and the remaining eighteen (18) feet of said proposed pave- ment shall be laid west of and adjoining the center line of Essex Road. The width of the roadway to be covered with the proposed concrete pavement, in- cluding integral curbs, in Poplar Street shall be twenty-four (24) feet. The roadway at curb corners shall be widened along curved lines; the radius of the curb corner at the mortheast corner of Woodland Avenue and Winnetka Avenue shall be ten (10) feet; the radius of the curb corner at the northwest corner of Essex Road and Winnetka Avenue shall be ten (10) feet; the radius of the curb cor- ner at the southwest corner of Essex Read and Elder Lane shall be sixty (60) feet; the radius of the curb corner at the south- west corner of Hawthorn Lane and Fair- view Avenue shall be twelve (12) feet; the radius of the curb corner at the northeast corner of Wilson Street and Winnetka Ave- nue shall be sixty (60) feet; the radif of the 'curb corners at Bertling lane and Winnetka Avenue shall be thirty (30) feet; the radius of the easterly curb of the road- way herein proposed to be constructed at the west end of the most westerly public park in the Remy Park Subdivision shall be thirty-seven (37) feet six (6) inches; the radius of the westerly curb of the road- way herein proposed to be constructed at the east end of the most easterly public park in the Remy Park Subdivision shall be thirty-seven (37) feet six (6) inches; the radius of the most easterly curb at the east end of the pavement herein proposed to be constructed at the east end of Sunset Road in the Remy Park Subdivision shall be fifty-six (56) feet six (6) inches; the radii of the reverse curves where the two branches of the pavement herein proposed to be constructed in Sunset Road in Remy Park Subdivision merge into the single pave- ment herein proposed to be constructed at the west line of said Remy Park Subdivi- sion shall be fifty-six (56) feet six (6) inches; the radii of all other curb corners shall be twenty-five (25) feet. The road- ways of all street returns to be covered with the concrete pavement shall be of the same width as the present pavements which con- nect with said street returns, and the width of all other roadways, including integral curbs, herein proposed to be constructed shall be nineteen (19) feet; all in the Vil- lage of Winnetka, County of Cook and State of Illinois. The improvement herein provided for is further shown and described upon certain plates or drawings showing plans, sections, grades, elevations and details, which are hereto attached and made a part of this ordinance and marked respectively PLATE 1 and PLATE 2. The said several plates or drawings showing said plans, sections, grades, elevations and details, and each and all of the contents thereof, are herewith made a part of this ordinance with the same force and effect as if the said plans, sections, grades, elevations and details ap- pearing upon said plates or drawings were set out or described in words and figures herein. Wherever the abbreviation "Fig." is used in this ordinance, it shall mean Fig- ure. All such figures referred to in this ordinance are shown upon said PLATE 2. The improvement herein provided for shall be composed of the following mate- rials, to-wit: Portland cement, = 1 ers, each weighing not less than three inches, and the average thickness of the metal composing said catch basin cover hundred fifty (350) pounds, having an ad- shall be one (1) inch, all as shown by | justable back or curb portion and pro- Figg. 1, 2, and 3. Bach of said catch basin vided with a horizontal grate eighteen covers shall be set in mortar upon the top | (18) inches by twenty-two (22) inches, of the said brick masonry in such a man-|and the average thickness of the metal ner that the top surface of the said grate [composing said catch basin cover shall shall be flush with the surface of the said 'be one (1) inch, all as shown by Figs. 1, pavement at the point where said catch i and 3. Each of said covers shall be basin shall be located, and the curb portion !set in mortar upon the top of the said of said catch basin cover shall be on the brick masonry of the said present catch line and grade of the integral curb of the basins in such a manner that the top said pavement where said catch basin shall surface of the said cover shall be flush be located, in such a manner as to receive With the surface of the said pavement at the water from the surface of the said 'the point where said catch basin shall be pavement, all as shown by Figs. 2 and 19. located, as shown by Figs. 2 and 19. Each of said catch basins shall be provided | 'There shall be furnished and set in with an eight (8) inch vitrified tile pipe [place upon the brick masonry of present outlet in the form of a bend which shall [catch basins, as indicated by PLATE 1, be set as shown by Figs. 1, 2 and 19, and [twenty-nine (29) new manhole covers, to which shall be connected an eight (8) [each weighing not less than four hun- inch catch basin connection as hereinbefore' dred eighty (480) pounds. Each of said rovided. for s show: PLATE 1 [manhole covers shall have an internal De on ang as Rowan by diameter of twenty-four (24) inches, o shall be constructed along the Shall be nine (9) inches in height and aaere Shall he improvement, as indi (shall have an average thickness of metal cated on PLATE 1, five (5) catch 'basins, [0f one (1) inch, all as shown by PLATE Bach of said catch basins shall have anil and Figs, $ and 11. taited or internal diameter of four (4) feet, as There shall be furnished and set in shown by Figs. 1 and 2, and each of said (Plice upon the brick masonry of present catch basins shall have a flat bottom of | catch Dasins, as indicated by PLATE 1, brick masonry six (6) inches in thick- oh (2) oud cast i708 Manhole Soyer: ness extending under the entire catch feat nv i Th i t i four, mn basin, and shall have brick masonry walls ted Sig ity (48 3 Dundes, _Eac > said eight (8) inches in thickness, and shall jmanhole covers sha ave an interna be provided with a cast iron manhole: dlameter of twenty-four (24) inches, shall cover weighing not less than four hun- De nine (9) Inchey oa height, apg shall dred eighty (480) pounds. Said manhole, 1 er oge the 1a of o Hee ta cover shall have an internal diameter of 2ne (1) inch, and the of each of saic twenty-four (24) inches, shall be nine manhole covers shall be perforated to (9) inches in height and shall have an pers Tne. shiralice 3 yater, 23 shown average - thickness of metal of 'one (1))|2¥ 183. 20 and -L. Jwach 0 Sal covers inch, and the lid of said cover shall be Shall be set in mortar Ripon; the top of perforated to permit the entrance of wa- ithe br ick masonry of the said present ter. The height of the brick work aver ¢itch basins in such a manner that the all shall be six (6) feet six (6) inches, top surface of the said perforated lid all as shown by Figs. 1, 2, 20 and 21, Shall be flush with the surface of the Tach of said covers shall be set in mor- Said pavement at the point where each of tar upon the top of the said brick ma- said catch basins shall be located, as shown by Figs. 2 and 19. sonry i 'h a ms at th ur- sho : face of the suid perforated 1id shall be Nineteen (19) present catch basin cov flush with the surface of the said pave- ©rs shall be adjusted to the lines and grades of the finished pavement herein ment at the point where said catch ba- i : i she sated. provided for where said catch basins shall sin shall be located, as shown by Figs. be Jocoted, in saoh a manner as to re- 2 and 19. "Each of said catch basins shall . ! 3 be provided with an eight (8) inch vit- hed from the surface of the rified tile pipe outlet, in the form of a "5 C830 0 forty-ond. (141) present bend, which shall be set as shown by manhole covers. shall be adjusted to the Fia%, 1.2 anq 19, end 0 Which shall he finished grade of the improvement herein connected an eight (8) inch catch basin provided for, where said manholes shall be located. connection as hereinbefore provided for and as shown by FLATE 1 and Figs. 1, All catch basins, manholes, combina- 'tion manholes and catch basins, and 2 and 19 There shall be constructed along the 3 , 5 Sg lines of the said improvement, as indi- | valve alts 23un Provided Vid Re oan cated on PLATE 1, four (4) manholes. IStructe SR a onsirnoled Cn Each of .aid manholes shall have an in- FS Yt ai gles Sin Ae ee ternal diameter of four (4) feet, and the 55 \ A Sy 4 anu height of brick work over all of each of laid By mor A De Lume said manholes shall be eight (8) feet, and | 270° pS Jit ortland cement and tw each of said manholes shall have a bot-"" " dan i tom of brick masonry six (6) inches in a cast ron Savers horein proviceq ior thickness extending under the entire §Sna ope rae oil od manhole, shall have brick masonry walls two (2) paris Jar, and shall. be thor eight (8) inches in thickness, and shall You oh arts with an asphaltic paint be provided with a cast iron cover weigh- | Eh ET I 1 ing: four hundred eighty (480) pounds, all 'constructed shall be similar in design to 'the present manhole at the east end of as shown by Figs. 8, 9, 10 and 11. Each of said covers shall have an internal di- ' = ; 3 {visi ameter of twenty-four (24) inches, shall Suiser Read YY le ubdivision; be nine (9) inches in height, and shall Gr URGEG COE PON provided to be id D i TH meal constructed shall be similar in design to ee t the present catch basin at the northwest corner of Elm Street and Lincoln Ave- have an shall be provided with five-eighth (5%) inch round wrought iron foot rounds, as shown by Figs. 8, 9 and 10. bottom and invert of each of said man- holes shall be formed along straight or curved lines so as to conform to the di- rection of the flow of water through the manhole, as shown by Figs. 8, 9 and 10. There shall be constructed along the lines of the said improvement, as indi- cated on said PLATE 1, eleven (11) com- bination manholes and catch basins. Each of said combination manholes and catch basins shall have an internal diameter of 4 ) sand, brick, cinders, ste fe Sound. drain tile Pipe, c ¢ i altic RT re erein pravided for. ru e fmprovewe.t herein prov for. "The elevations, lines and gra of the improvement herein provided for Snail uo. as shown on said plates, and are given in feet and decimal parts of a foot above the established datum of the Village of Winnet- ka, Cook County, Illinois, as established by ordinance of the said Village of Winnetka passed on the twenty-third day of March, A. D. 1915. All of the necessary excavation herein provided for shall be made to the depth, of the dimensions, and to the lines and grades herein provided for, and as shown upon said plates. Trenches shall be excavated along the course of said improvement to receive the drains herein provided to be constructed under the said pavement, as shown on said plates, which said trenches shall be back- filled with sand. In the said trenches, there shall be laid at an average depth of three and one-half (3%) feet, three thousand six hundred forty-five (3,645) lineal feet of four (4) inch vitrified, salt glazed tile pipe for road drains, and two thousand fifteen (2,015) lineal feet of eight (8) inch vitrified, salt glazed tile bell and spigot pipe for road drains, including catch basin and inlet connections, laid at an average depth of four and one-half (41%) feet, and one hundred seventy (170) lineal feet of ten (10) inch vitrified, salt glazed tile bell and spigot pipe for road drains, laid at an average depth of eight (8) feet, as shown by PLATE 1 and Figs. 24, 25, 26 and 27. Trenches shall also be excavated along the sides of said pavement to receive the drains herein provided to be constructed as shown on said plates, which said trenches seal he backfilled with earth and cinders in altémate nilaa ~t tylil yOlliae, 48 SHOWN by Figs. 2. and 23. In the said trenches, there shall be laid, at an average depth of three and one-half (314) feet, thirty-three thousand thirty (33,030) lineal feet of four (4) inch vitrified, salt glazed tile pipe for road drains, and thirty-six hundred seven- ty-five (3,675) lineal feet of eight (8) inch vitrified, salt glazed tile bell and spigot pipe for road drains, including catch basin and inlet connections, laid at an average depth of six and one-half (61%) feet, and four- teen hundred thirty (1,430) lineal feet of ten (10) inch vitrified, salt glazed tile bell and spigot pipe for road drains, laid at an average depth of eight (8) feet, as shown by PLATE 1 and Figs. 24, 25, 26 and 27. The upper half of each of the joints of said four (4) inch drains shall be covered by a band of tar paper three (3) inches in width, as shown by Figs. 22 and 23. The joints of said eight (8) inch and said ten (10) inch drains shall be filled with mortar composed by volume of one (1) part Portland cement and two (2) parts sand, Where said drains shall be laid along the sides of said pavement as herein provided, the" center line of said drains shall be lo- cated twenty-four inches back of the said integral curb, as shown by PLATE 1 and Figs. 28, 29, 30, 31, 32, 33 and 34, except that the four (4) inch drains herein pro- vided to surround the public parks located in Remy Park Subdivision snall be laid twenty-four (24) inches inside of the edges of said pavements adjoining said public parks, as shown by PLATE 1. There shall be constructed along the lines of the said improvement, as indicated on PLATE 1, one hundred thirty-one (131) catch basins. Each of said catch basins shali have ar internal diameter of four (4) feet, and the height of the brick masonry over all of each of said catch basins shall six and one-half (614) feet, and each of said catch basins shall have a flat bot- per lineal foot... .uvveiin four (4) feet. The height of brick work T HiIl wi Call UL Suit on dt ee holes and catch basins shall be seven (7) feet. ach of said combination manholes and catch basins shall have a flat bottom twelve (12) inches in thickness extending under the entire combination manhole and catch basin, and shall have brick masonry walls eight (8) inches in thickness, and shall be provided with a cast iron cateh basin cover weighing not less than three hundred tifty (350) pounds, all as shown by Figs. 16 and 17. Each of said eateh basin covers shall have an adjustable back or curb portion, and shall have a horizontal grate eighteen (18) inches by twenty-two (22) inches, and the average thickness of metal composing said cateh basin cover shall be one (1) inch, all as shown hy 'Figs. 1.2, 3, 16 and 17. Each of said covers shall be set in mortar upon the top of the said brick masonry in such a manner that the top surface of the said grate shall be flush with the surface of the said pavement at the point where said combination. manhole and catch basin shall be located, and the curb portion of said catch basin cover shalt be on the line and grade of the curb of the] approaches, said pavement where said combination man- hole and catch basin shall be located, in such a manner as to receive the water from the surface of the said pavement, all as shown by Fig. 17. Each of said combina- tion manholes and catch basins shall be provided with five-eighth (%) inch round wrought iren foot rounds, as shown by Figs. S, 9 and 10. There shall be constructed along the lines of the said improvement, as indicated on said PLATE 1, mnewen (iv) salve wanlis. Bach of said valve vaults shall have an in- ternal diameter of four (4) feet. The of said valve vaults shall be six (6) feet six (6) inches, and each of said valve vaults shall have a flat bottom of brick masonry the entire valve vault, shall have brick masonry walls eight (8) inches in thick; ness, and shall be provided with a cast iron manhole cover weighing four hundred eighty (480) pounds. Each have an internal diameter of twenty-four (24) inches, shall be nine (9) inches In height and shall have an average thickness of metal of one (1) inch, all as shown by Figs. 11, 12 and 13. There shall be constructed along the lines of the said improvement, as indicated on PLATE 1, twenty-nine (29) inlets. Each of said inlets shall be furnished with a cast iron inlet cover weighing three hundred fifty (350) pounds, with an adjustable back or curb portion, and shall have a horizontal grate eighteen (18) inches by twenty-two (22) inches, and the average thickness of metal composing said cover shall be one (1) inch. Each of said inlet covers shall be set on a Portland cement concrete base thirty-six (36) inches square by eighteen (18) inches deep. The concrete for said base shall be composed by volume of one (1) part Portland cement, two (2) parts sand, and three (3) parts crushed lime- stone. Each of said inlet covers shall be so set upon the said concrete base that the top surface of the said grate shall be flush with the surface of the pavement at the The inside | six (6) inches in thickness extending under. of said covers shall {nue, in Winnetka, Cook County, Illinois. All cast iron sewer inlets herein pro- jvided to be constructed shall be similar in design to the present cast iron sewer linlet on the east side of Sheridan Road, 'three hundred (300) feet southerly from Humboldt Avenue, in Winnetka, Cook (County, Illinois. ' {| Five (5) present fire hydrants now lo- cated within the proposed lines of the 'pavement herein provided to be con- structed shall be reset in the parkway at positions respectively two (2) feet back of the integral curb herein provided to (fergiivg vole dip y Ds are respectively located, as --"sHOWR HY PLATE 1. Twenty (20) present electric light poles now located within the proposed lines of 'the pavement herein provided to be con- {structed shall be reset in the parkway at positions respectively two (2) feet back of the integral curb herein provided to be constructed where said electric light poles are respectively located. ~ There shall be adjusted to the finished grades of the improvement herein pro- vided to be constructed, nineteen hundred fifty (1950) square feet of present con- crete sidewalk approaches, where the said sidewalk approaches do not conform to the said finished grades, by raising or lowering the said sitewalk approaches as required, so that said approaches shall meet the said integral curb and shall be even, smooth and continuous. 2 Throughout the course of the improve- ment herein provided for, there shall be constructed a total of two thousand ten ©2010) lineal feet of concrete sidewalk where it shall become necessary to connect the present sidewalk approaches with the said inte- gral curb herein provided for. The said sidewalk approaches herein provided to be constructed shall be five (5) feet four (4) inches in width, four (4) inches thick at the edges and five (5) inches thick at [the center line, and shall be laid on a six (6) inch layer of cinders, as shown by Figs. 14 and 15. The concrete to be used in the construction of said sidewalk approaches shall be composed by volume of one (1) part Portland cement, two (2) [parts sana and three (3) parts crushed height of the brick masonry over all of ees! limestone. _. After the necessary roadway Xcawa- 'tion, including grading, grubbing, the re- moval of surplus excavated materials, and the backfilling of trenches have been completed, the subgrade shall be prepared s0 that said subgrade, after being thor- oughly rolled or tamped, shall be at the grade or elevation herein provided to re- ceive the said paving material, as shown by PLATE 1, and Figs. 28, 29, 30, 31, 32, 33 and 34. After the said subgrade has been pre- | pared, as herein provided, it shall be brought to a firm, unyielding surface by rolling with a self-propelled roller weigh- ing not less than fifteen (15) tons; and 'all portions which are inaccessible to the 'roller shall be thoroughly tamped with a Shand tamper weighing not less than fifty | (50) pounds. All cement herein provided to be used shall be some first class brand of Ameri- | can Portland cement which shall meet the following requirements: { a. The specific gravity of said cement shall be not less than 3.10. b: In a test for fineness, said cement shall leave by weight a residue of not {more than eight (8) per cent on a number tone hundred (100) sieve and a residue of 'not more than twenty-five (25) per cent ron a number two hundred (200) sieve. ie: In a test for time required in set- ting, said cement shall not develop initial set in less than thirty (30) minutes, and days in water)...... e: The said cement more than 1.75 per cent of anhydro phuric acid (SO), nor more than a. cent of magnesia (MGO). N All sand herein provided to be used in the construction of the said reinforced concrete pavement, the said integral curbs, the said sidewalk approaches, the said bases of inlets, the said mortar for brick masonry, the said mortar fo. setti cast iron covers, and the said mortar drain pipe joints shall consist of particles graded from fine to coarse, with t POM LL shall not co hs when dry shall pass a screen having four (4) meshes per linear inch. Not more than twenty-five (25) per cent of said sand shall pass a sieve having fifty (50) meshes per linear inch, and not more than five (5) per cent of said sand sh pass a sieve having one hundred ( meshes per linear inch. Said sand shall not contain vegetable or other deleterious matter, nor more than three (3) per cent by weight of clay or loam. Said sand shall be of such a quality that mortar composed by weight of one (1) part Port- land cement, and three (3) parts of said sand, when made into bricquets, shall show a tensile strehgth, when tested at seven (7) and twenty-eight (28) days re- spectively, equal to or greater than the strength of bricquets composed by wei of one (1) part of said Portland ceme and three (3) parts of standard Ottawa sand, when similarly tested. JR All sand herein provided to be used for the backfilling of said trenches shall con- sist or bank sand or Lake Michigan shore sand. Veo All crushed stone herein provided to be used in the construction of the said re- inforced concrete pavement, the said in- tegral curbs, the said bases for inlets, and the said sidewalk approaches, shall ¥ sist of clean, tough, durable crushed lime- stone, free from vegetable or other dele- terious matter, and shall contajn no soft, flat or elongated particles. The size of said crushed stone shall be such as to pass a two and one-half (2%) inch round opening and shall range from two and one-half (2%) inches down, so that not more than five (5) per cent shx' pass through a sc.een having four (4) meshes per linear inch, "nd so that no inter diate sizes shall Le removed. ; All cinders erein provided to be in the backfi . ng of trenches and un the concrete sidrwalk approaches herei provided to pe constructed shall consis of clean boik inders. 2 All water sary to be used in th construction « sa ' improvement shall i clean lake M. higan water. CN All four (4) mmch road drain pipe h : provided to be used shall consist «f h well burned vitrified, salt glazed tile as shown by Fig. 24. ir and ten (10) inch road drain pipe consist of well burned vitrified, salt gla Js tile bell and spigot pipe, as shown Figs. 25, 26 and 27. - All cast iron covers for catch bas manholes, combination manholes and catch basins, inlets and valve vaults h in provided for shall be construct: tough gray iron, free from blow cinder spots or cold shuts. The ul e tensile strength thereof shall be not less than sixteen thousand (16,000) pounds per square inch. All cast iron covers above mentioned, after cast and before cooling, shall receive a thorough coat of an phaltic paint. The said cast iron covers shall be set in mortar composed by vol ume of one (1) Dae Portland cement two (2 arts sand. ol he ) wire reinforcement 'herein provided for shall be that which ix monly known to the trade as "wig ric' and shall be used in such qui shall weigh at least forty (40) each one hundred (100) sg pavement. All steel Co said wire fabric here used in the construction of forced concrete pavement init he sel Sua nj tile. The said "wire Shall ha mate tensile strength of eighty: sand (85,000) pounds per square said wire reinforcement shall not less than two (2) inches holes, g the finished surface of the pavement and oth- erwise shall be placed as shown by Figs. 28, 29, 30, 31, 32, 33 and 34. The said wire reinforcement shall extend fo with- in two (2) inches of all joints, sh not cross said joints. Adjacent widths of said fabric shall be lapped not less than four (4) inches when the lap is made at right angles to the center line of the said pavement, and said adjacent width of said tabric shall be lapped not less than one (1) foot when the lap is made parallel to the center line of the said pavement. Joints to provide for contraction and expansion shall be placed thirty (30) feet apart throughout the course of said pave- ment and shall be normal to the center line of said pavement. The said joints shall be one-fourth (1%) inch in width and shall be filled with an asphaltic felt extending from the bottom surface of the said pavement and the said integral curt = herein provided for, to a height of one- half (%) inch above the top surface of said finished pavement and curb. ; Asphaltic felt one-four (3%) inch in thickness shall be placed between all the cast iron covers of catch basins, ma holes, vaults and inlets and the reinfo concrete pavement where said, eo shall be located; and said felt shi tend from the bottom surface of tle ment to the top surface thereof, &s . by Figs, 3, 6 and 11. FA RE ~ must develop hard set in not less than one (1) hour, nor more than ten (10) hours. d: The minimum requirements for ten- sile strength for bricquets one (1) inch in cross section made from such cement shall be that said bricquets shall show no retrogression in strength within the peri- ods specified. Neat Cement. point where the said inlet shall be located, | in such a manner as to receive the water from the surface of the said pavement, and | the curb portion of said inlet cover shall be on the line and grade of the integral curb of the said pavement where said inlet shall be located. The concrete base of each of said inlets shall be molded or formed so as $ 2,766.25) STRAIGHT LINE AND SAID STRAIG tom of brick masonry six (6) inches in|to conduct the water into the eight (8) : : thickness extending under the entire catch |inch tile pipe connection hereinbefore ALS. ibe in moist Blt. Ahh, basin, and shall have brick masonry walls | provided for, and which connection shallf- 7 days (1 day in moist air, 6 eight (8) inches in thickness and shall be | connect said inlet with a present catch days in water)..... eer.....500 pounds provided with a cast iron catch basin cover | basin where said inlet shall be located, {sg days (1 day in moist air, 27 weighing not less than three hundred fifty |all as shown by PLATE 1 and Figs. 4)" days in water)............. .600 pounds (350 as shown by Figs. 1, 2,{and 5. ii - One Part t and Three Parts Dich Jasin sovl There ghal furpis'cd ar i andar tav or curb e upon 'brick masons hoist shall have a horizontal grate |catch basins, as in teu by two ) | three (3) new { All concrete herein provided for 'construction of the said reinforced crete pavement, the said integral ew said sidewalk approaches, and sai for inlets, shall be composed bY of one (1) part Portland cement, twa parts sand and three (3) parts erus limestone, and shall be mixed with as herein provided. The sand and :( limestone herein provided for shall be mixed thoroughly with sufficient water, in a batch mixer, to produce a concrete of a consistency such that water will flu the surface under light lamping, but amount of water used shall no: be cient to cause a separation of the aggregate from the mortar, in | the concrete. All mortar herein provided adjusting and setting said cast i constructing said drain pipe Ht for the exposed surfaces of the tegral curbs, shall be composed ume of one (1) part cement a provided and two (2) parts sand a in provided. The reinforced concrete paveme in provided for shall be construct: the subgrade herein provided for, ing to the dimensions and the thereof as shown by PLATE 1 an 28, 29, 30, 31, 32, 33 and 34. . t There shall be constructed at hr time and as an integral part 01 6 forced concrete pavement herein pro... for, an integral concrete curb, which s be constructed along the sides of the pavement, except the said fourteen ( foot pavement in Winnetka Avenue whe shall have an integral curb constru only along the northerly side thereof. integral curb, as herein provided shall be constructed across the end: the pavement herein provided for, across the alley intersections, by PLATE 1, nor where ca covers, inlet covers, and manhole and catch basin covers in provided to be located; and integral curb shall be construe ing to the dimensions and detail is Shown by Figs. 28, 29, 30, 31,. SoA Pe LE ¥ -~ fi , coarse particles predominating. Said sand 8 Ee . oe an =