Laserfiche WebLink
SECTION 0202 EARTHWORK (CONT.) <br />4.00 FILL AND COMPACTION: <br />A. Compact cut areas immediately prior to placing required <br />fill. <br />B. Fill placed under footings, floor slabs -on -grade, driveways, <br />and parking areas and fill placed in excavated areas outside <br />the building lines, but within the angle of repose, is to be <br />completed as follows: <br />1. Place fill material in layers not exceeding 8 inches in <br />noncompacted thickness. Water or aerate fill materials <br />as necessary and thoroughly mix to obtain moisture <br />content. <br />2. Compact cohesive back -fill material to not less than <br />95% Standard Proctor in accordance with AASHTO <br />Specifications. <br />3. Density cohesionless (fill sand) back -fill material to <br />a minimum relative density of 70% in accordance with <br />ASTM 02049. <br />4. Fill required for areas not accessible to compaction <br />equipment is to be placed in layers not to exceed 4 <br />inches in non -compacted thickness and compacted with <br />mechanical hand operated tampers to the density specified. <br />5.00 UTILITY TRENCHING: <br />A. Generally material excavated from trenches may be used for <br />Back -fill provided it is a soil or soil -rock mixture free <br />from organic and other deleterious matter and has a plasticity <br />index of 20 or less and a liquid limit of less than 45%; <br />it shall contain no rocks or lumps over 3 inches in diameter. <br />B. Adequately brace, shore and barricade open trenches to <br />protect adjacent work and ensure the safety of personnel and <br />the public. <br />6.00 FIELD TEST FOR COMPACTED FILL: <br />A. Provide one (1) of each of the following tests for each 5,000 <br />sq. ft. of each Lift. <br />tests per Lift. <br />1. Soil Analysis <br />2. Moisture Density Curve <br />3. Density Test <br />4. Any additional test required by the soils report. <br />B. Submit two (2) copies of field test reports to Architect. <br />SECTION 0203 PAVING <br />1.00 GENERAL: <br />A. <br />All work done under this section shall be done <br />in strict <br />conformance <br />with the requirements of the Soils <br />Report noted <br />in Section <br />202.1A of these specifications. <br />B. <br />All parking <br />lot paving shall be a minimum of 5" <br />thick, <br />4000 PSI. air <br />entrained concrete. <br />C. <br />Poison all <br />areas under sidewalks, building, and <br />paving to <br />prevent the <br />growth of any vegetation. <br />D. <br />Alternative <br />paving for all areas shall be asphaltic <br />concrete as <br />specified in <br />-this section. <br />2.00 MATERIALS: <br />Material to conform to all local governing <br />agency requirements. <br />B. Aggregate Base: <br />Crushed limestone or material called for in <br />soils report 6 inches thick AFTER <br />COMPACTION. Other materials may be used <br />if specifically approved, in writing by <br />the Architect. <br />C. Form Work: <br />Any commercial softwood species, utility <br />grade or better, surfaced four sides. <br />D. Expansion Joints: <br />ASTM D1751, fiber expansion joint filler <br />1/2' x 3 1/2". <br />E. Concrete: <br />See Section 0301 Concrete of these specs. <br />F. Reinforcement: <br />1. Bars - A615 Grade 602. <br />2. Wire Fabric-ASTM A185, "6x6"- 10/10 <br />3. Nurlon Synthetic Crack Control <br />Fiber added to concrete at time of <br />botching in strict accordance with <br />manufacturers printed instructions <br />and specifications. Fibers to be <br />1 1/2" in length add at a rate <br />of 1 1/2 lbs. per cubic yard <br />G. Joints: <br />of concrete. <br />1. Expansion <br />Joints: <br />1/2" wide to be located a maximum of 40 <br />feet on center. each way or as called for <br />in the soils report. Joints shall be <br />dowelled with 1/2" diameter x 18" long plan <br />steel rods. <br />2. Control <br />Joints: <br />Saw cut to one quarter (1/4) the depth of <br />the slab thickness. Joints to be located a <br />maximum of 20 feet on center each way or as <br />called for in the soils report. <br />H. Curing Compound <br />Transparent curing, sealing, & dustproofing <br />compound for exterior concrete surfaces. <br />Restricts evaporative loss of hydration . <br />water for maximun surface hardness. <br />As manufactured by HYDROZO, MASTERBUILD, <br />or SONNEBORN. <br />I. Alternate <br />Paving <br />Hot plant mixed asphaltic concrete paving <br />to conform to the requirements of the soils <br />report for Heavy Duty Highway Grade Paving. <br />J. Parking Bumper <br />Precast concrete, 3,000 PSI 6"x 6"x 6'-0" <br />long with chamfered edges and slightly <br />rounded top. Provide two 3/4" diameter <br />holes at approximately one foot from each <br />end for securing to pavement. <br />3.00 SUB -BASE PREPARATION: <br />A. Fine grade and roll areas to an even, uniform texture free <br />of lumps, pockets and soft spots (compacted to within 95 % <br />Proctor Test.) <br />B. Moisten and compact base material, adding Portland Cement <br />filler when required by local requirements and using only <br />enough water to produce optimum moisture content. <br />4.00 PLACING CONCRETE: <br />A. Form paving with expansion and control joints at spacings <br />called for in the Soils Report or as indicated on the drawings <br />or as called for in these specifications which ever is the more <br />restrictive. Concrete paving shall be poured in sections as <br />a <br />^ <br />°1 °O <br />large as practical with a minimum number of expansion or <br />LO LO <br />construction joints. Expansion joints shall occur between all <br />paving areas and the building as well as all vertical curbs or <br />® <br />o 0 <br />curb and gutter. <br />B. Place dowels in expansion joints at 24 inches on center with <br />one end set in slip pocket or coated with bond -breaker <br />material. <br />C. Place reinforcing at approximately center of slab -thickness. <br />® <br />� <br />Lap reinforcing 40 diameters or 18" minimum. <br />W M <br />D. Convey concrete from mixer to place of final deposit by <br />1 <br />methods that will prevent contamination at job site. Unless <br />0. c/; <br />specifically approved by Architect, do not use retempered <br />a <br />concrete. <br />® <br />J M. <br />E. Paving surface shall not pond water. Finish grade as indicated <br />W M <br />on Drawings. <br />W • <br />F. Where paving terminates and no curb is indicated on Drawing, <br />thicken edge to 12 inches and align top of paving with <br />a <br />adjacent grade. <br />Ill o <br />G. Provide control joints in Paving to one quarter (1/4 ) of the <br />0 <br />depth of the slab. Joints are to be located as called for in <br />0 2 <br />the Soils Report, or as indicated on the drawings. <br />o <br />H. Apply medium broom finish to paving and curbs. <br />N `D <br />Z <br />Apply curing compound in accordance with <br />manufacturer's printed directions. There shall be no visual <br />0 <br />evidence of curing materials left on the finished work. <br />I. Seal both the expansion joints and the control joints with an <br />i- <br />elastomeric sealant (see Section 0705 for material). <br />U <br />5.00 PLACING ALTERNATIVE SURFACE COURSE: <br />} cal <br />I.L. <br />W <br />U <br />A. Do not place when temperature is below 50 degrees F. and <br />J <br />LL <br />W <br />falling or during wet weather conditions. <br />B. It required, apply tack coat to a clean, slightly moist surface <br />(Q to <br />f) <br />at the rate of 0.08 to 0.12 gal. per square yard. <br />J <br />C. Place asphaltic concrete surface course in an even and <br />uniform manner to attain the elevation indicated on the <br />Q <br />j <br />drawings. Provide enough material and equipment to ensure <br />continuous operation. <br />= <br />U <br />D. Using a steel wheeled 10 ton roller, roll surface in not <br />'T L <br />W <br />less than two directions until pavement is unyielding, free <br />CA LU <br />� <br />of marks or blemishes and has inconspicuous seams. <br />N <br />1:E. <br />Finish grade elevations are not to be more than 1/4" plus or <br />U <br />minus from grades as indicated on Drawings. Paving surface <br />U <br />shall not pond water. <br />Q <br />F. "Skin Patching" will not be permitted. <br />REVISION <br />G. Where paving terminates and no curb is indicated on Drawings, <br />align top of paving with adjacent grade and thicken to <br />1. <br />12 inches. <br />W <br />H. Follow finish grades of existing paving when new paving <br />2• <br />6 <br />abutts existing unless indicated otherwise on the Drawings. <br />3 <br />Z <br />6.00 TESTING: <br />4• <br />L <br />A. For asphaltic concrete core samples of finished work <br />one per 5000 sq. ft. shall be taken by an approved <br />Engineering ',esting Laboratory. Two (2) copies of the test <br />. <br />results are to be provided to Architect. <br />B. Concrete testing shall be as specified in Section 0301 of <br />0/16/95 <br />these speci f icat ions. <br />SPECS <br />C. Sub -base testing os specified in Section 0202. <br />e <br />3' <br />AS2 <br />