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HomeMy WebLinkAboutsite work specs • �, •�. �� �� �� t. �;"'��;, RICK'S SUPER VA�U NAVARRE, MINNESOTA � SITE WORK SPECIFICATIONS PROJECT N0. 1006. 13 TABLE OF CONTENTS � Section 02200 EARTHWORK . Section 02510 ASPHALTIC CONCRETE PAVING Section 02522 PORTLAND CEMENT CONCRETE CURBS Section 02700 SITE UTILITIES May 22, 1991 • � s '•� = SECTION 02200 EARTHWORK PART 1: GENERAL 1.01 RELATED DOCUMENTS A. Conditions of the Contract and portions of Division One of this Project Manual apply to this Section as fully as though repeated herein. 1.02 SECTION INCLUDES A. Section includes site preparation, grading, excavation and backfill . 1.03 REPORT OF GEOTECHNICAL INVESTIGATION A. A report of Geotechnical Investigation for this project has been furnished to the Contractor under separate cover. B. Geotechnical investigation was performed by Twin C.ity Testing Corp. , dated May 13, 1991 . � C. Locations of Soil Borings are indicated in geotechnical investigation. 1.04 QUALITY ASSURANCE A. All compaction tests and inspections shall be made by an independent testing laboratory acceptable to Architect/Engineer. Assist the testing firm in the performance of their tests and inspections. Be responsible for coordinating the tests and inspections: B. No f.ill shall be placed without inspection and approval of the subgrade and backfill material by a representative of the testing laboratory. C. Method of test for density of soil in place shall be the Sand-Cone Method, ASTM D1556 or Nuclear Densometer. Method of test for moisture-density relations of soils shall be Standard Proctor ASTM D-698. D. Take one density test per every 2,500 square feet of filled area, each 50 linear feet of wall footing, and each column footing, for every eight inches in depth, plus additional tests and inspections as necessary after recompaction to reach specified density. E. Fill and backfill shall be placed to the following minimums: Density Area . �Standard Proctor) Moisture Content Landscaped 90% Sidewalks and Floor Slab 98% Optimum ±4% Footings 98% Optimum ±4% Paved Areas 98% Optimum ±4% F. One copy of all test and inspection reports shall be submitted to Engineer/Architect promptly and a copy to the Contractor on a weekly basis for work completed the previous week. � .. 02200-1 191/1/1006. 1 � ' PART 2: PRODUCTS 2.01 MATERIALS A. Top Soil : Locally available materials which produces heavy growth of vegetation and is free from noxious weeds, stones, or other deleterious matter. May be salvaged from site excavations if approved by the testing firm. B. Excavated Material : May be used for backfill , provided wood, roots and other deleterious materials are removed subject to approval by the independent testing laboratory. C. Engineered Fill : Clean materials from the site or from off site pits as approved by representative of testing laboratory. D. Select Granular Fill : Material passing a 2" sieve size and with not more than 10% passing the #200 sieve. PART 3: EXECUTION 3.01 PROTECTION � � " ' ' A. Adequate protection measures shall be provided to protect workmen and passersby. Streets and adjacent property and structures shall be fully protected throughout the operation. B. Shoring, sheeting and bracing shall be provided to prevent caving, erosion or gullying of sides of excavation. C. Provide for surface drainage during the period of construction in a manner to avoid creating a nuisance to adjacent areas. Take special care to prevent surface drainage from filling excavations. D. Protect from damage during construction, any trees or shrubbery which are indicated on the drawings to remain. Protect from damage all exi.sting buildings indicated to remain. E. Install required erosion control fence and devices before excavating. 3.02 SITE PREPARATION A. Remove all shrubs, grasses and other vegetation, improvements or obstructions within construction limits. B. Clear and grub all trees designated for removal . Stumps and root structures shall be completely grubbed. C. Strip top soil from the construction area, including the building area . and stock pile suitable material for later use. Remove unsuitable material from the site. D. Remove existing bituminous surfacing, concrete dock, and other structures or materials in the area to be excavated. ' `� 02200-2 191/1006. 1 � ' E. Remove all undesirable soils in the building pad and dock area subgrade to competent soils as determined by the testing laboratory. The building pad will be the area under floor and footings oversized by five feet outside the foundation walls and sloped outward and downward at a one to one slope. Excavation along the existing building wall will be done in a manner avoiding disturbance of soils beneath the existing foundations. A testing laboratory representative will be present during this process to determine competency of soils and establish limits of required excavation. 3.03 SITE GRADING A. Prepare building pad and subgrade for dock area with engineered fill . The engineered fill will be placed to 10 inches below finished floor and to the bottoms of all footings with five feet of oversizing outside the outer wall footings. Compact in .lifts to specified density. , B. Proof roll surfaces of all rough graded cut and fill areas within construction limits and surface compact top 12 inches to specified density. Soft areas shall be excavated and replaced with suitable material prior to completing surface compaction. � C. Surfaces of all excavations shall be inspected and approved by the ' ' testing firm before backfilling is permitted. � D. Frozen material shall not be used as backfill nor shall backfill be permitted on frozen ground. No construction shall bear on frozen ground. � E. Place fill in loose level lifts not �to exceed eight inches and compact � to the specified density. �, F. Rough graded and finished graded areas shall be free draining, such that no surface runoff will pond. The Contractor shall be responsible for interim maintenance and remedial soil correction until final surfacing is commenced. G. Final rough grade all areas receiving top soil or surfacing, including _ excavated and filled sections and adjacent transition areas. Finished surface shall be free of irregularities exceeding 0. 10 feet above or below adjacent surfaces or finished subgrade elevations. H. Place top soil on all areas as indicated on plans. Soils which are unsuitable for engineered fill may be placed in embankment outside of the pad and subgrade for paving if approved for such use by the testing laboratory. I . Place six inches of select granular fill under floor slabs and outside concrete slabs and compact to specified density. 3.04 EXCAVATION AND BACKFILL A. Excavate to elevations and dimensions required for the work. Should soil be softened by rain prior to pouring footings, remove soft soil down to dry firm soil , backfill with suitable material and compact to specified density. � ^ � 02200-3 191/1/1006. 1 �. B. Footings are to be constructed on undisturbed natural soil or engineered fill with a safe soil bearing value as indicated on the structural drawings. The soil conditions at the footing level must be verified by an independent laboratory before any concrete footing is placed. C. Backfill excavations as quickly as construction will permit. Place in eight (8") inch lifts and thoroughly compact. Grade backfill so that water cannot accumulate next to foundations. D. Place and compact a minimum of six inches of select granular fill under floor slabs, concrete paving, and sidewalks. END SECTION 02200 ` � 02200-4 191/1/1006. 1 �� � SECTION 02510 � ASPHALTIC CONCRETE PAVING - MINNESOTA , , PART 1: GENERAL 1.01 RELATED DOCUMENTS A. Conditions of the Contract and portions of Division One of this Project Manual apply to this Section as fully as though repeated herein. � 1.02 RELATED SECTIONS A. Earthwork: Section 02200. . • 1.03 REGULATORY REQUIREMENTS � A. All work in the right-of-way shall be done in strict accordance with � . requirements of City and State. 1.04 STANDARD SPECIFICATION� • � • � A. All materials and construction to conform with State of Minnesota, � Department of Transportation's "Standard Specifications for Construction", hereinafter referred to as "MNDOT" . � 1.05 WARRANTY .; A. Contractor shall guarantee paving work •against failure or defects `�a � for a period of two years after Substantial Completion. . The Contractor shall repair or replace, to the s�tisfaction of the � Owner, any such failed or defective work which occurs during the � , '. guarantee period. � � ;; '� �Ik; 7:i ' .. �.. .;�;�;��i PART 2: PRODUCTS �� �' �'�:- . . . �i: � • ;, , 2.01 MATERIALS "'�:'� A. Gravel Base: Conforming to MNDOT 3138 (Class 5 Crushed) : � � B. Bituminous Tack Coat: Conforming to MNDOT 2357. ;.;;�,, ���,: C. Plant Mixed Bituminous Surface: Conforming to MNDOT 2331, Mix Type �'; 41, AC Grade 85-100. D. Plant Mixed Bituminous Binder: Conforming to MNDOT 2331, Mix Type 31 or 32. � E. Plant Mixed Bituminous Base: Conforming to MNDOT 2331, Mix Type 31 � or 32. , ::;; , , 02510-1 191/1/MN/1006.1 '•• • PART 3: EXECUTION :i' :�,;. ', �i '. i 3.01 PREPARATION , - � }, �� �;,;.,;; A. Verify grade and condition of subgrade before proceeding�with bas�e ;.�;,�` construction. Do not construct base on soft subgrade. ��,; ; ; �;�: .; B. Grade and compact subgrade as required in Section 02200.' '� � �u , . . '; ;� ,���;. C. Clean and patch existing surface as required. ' 3.02 BASE AND PAVEMENT THICKNESS , � �'", ; . , A. Parking Area: 1-1/2" Wearing Course on existing surface. � B. Truck Area: 2" Wearing Course. . . 2" Bituminous Base. : 10" Gravel Base. ' I 3.03 BASE CONSTRUCTION ' _ G; A. Place and compact crushed rock base in accordance with MNDOT 2211 to : not' less than 100% of maximum density. • - ,.:'� , ,,s`!; , `�, it , 3.04 TACK COAT A. Required when bituminous surfacin or atchin is lace x 1.''` 9 P 9 P �,`over � , existing bituminous or concrete surface constructed during a ;:. previous season. :':!i :�: . B. Apply at approximate rate of 0.05 gallon per square yard� prior to placement of bituminous surfacing (MNDOT 2357) . 3.05 BITUMINOUS SURFACING . A. Place in accordance with MNDOT 2331 . �- ;.�� � �.I, , ., , B. Lay asphalt concrete at a temperature of not less than 2�0°F. with a :`� mechanical self-powered paving machine to a compacted thickness as �� ' specified above. ` � ' � . C. Roll surface with a pneumatic tire roller weighing not less than five tons. Final rolling will be by tandem steel wheel �;roller. ;;.. D. Surface Uniformity: The finished pavement shall have sllch smoothness that at no point shall it vary more than 1/4" when �; checked with a ten foot straight edge. ;�; E. All bituminous material shall have a minimum Marshall Stability of 1200 pounds and compacted to at least 98% of the maximum Marshall density in accordance with ASTM D1559. 3.06 STRIPING A. Parking Lots: Pratt & Lambert paint - (2) coats. Minimum 4" width. B. Fire Lanes and Ramps: Tape by 3M. . END SECTION 02510 ' � 02510-2 ' � 191/1/MN/1006. 1 '• • SECTION 02522 PORTLAND CEMENT CONCRETE CURBS PART 1: GENERAL 1.01 RELATED DOCUMENTS A. Conditions of the Contract and portions of Division One of this Project Manual apply to this Section as fully as though repeated herein. 1.02 RELATED SECTIONS A. Earthwork: Section 02200. B. Asphaltic Concrete Pavement: Section 02510. C. Portland Cement Concrete Paving: Section02520. PART 2: PRODUCTS 2.01 CONCRETE MATERIALS A. Portland Cement: ASTM C150 Type I or Type III. B. Aggregates: ASTM C33, and the following: C. Water: Potable. . • D. Air Entraining Agent: ASTM C260 and approved by Architect/Engineer. Use in all concrete to produce a total air entrainment of 6 percent (+1 percent) . 2.02 CONCRETE RELATED MATERIALS A. Joint Material : Pre-formed, non-extruding, resilient bituminous type, ASTM C1751 . � B. Curing Compound: ASTM C309, Type 1, Class A. C. Joint Sealer: Sonolastic "PJS" , Grace "Duraseal -U" . 2.03 QUALITY AND STRENGTH A. Minimum 28 days, 4000 psi . B. Slump 3 inches to 5 inches, unless mechanically placed. � PART 3: EXECUTION 3.01 CONCRETE CURB AND GUTTER A. Foundation Preparations 1. Provide 25 foot grade and line hubs for all curbs and gutters before form setting. � " 02522-1 191/1006.1 ; • 2. Foundation: Excavate, shape and compact to a firm, uniform bearing surface, conforming to the planned section and established grade. Remove unsuitable grade soils and replace as directed. Granular material , as specified and where required by the Drawing, shall be furnished, placed, and compacted to 95 percent Modified Proctor Density to a depth of 12 inches. B. Forms 1 . All forms shall have a minimum height without horizontal joint equal to the depth of the curb, and must be of sufficiently rigid construction to insure that they will remain true to line and grade. 2. Forms with height greater than the thickness of concrete may be used if the upper edge is set accurately to line and grade and the subgrade under the form is excavated to meet the bottom edge of the form. 3. Clean and oil forms each time they are set. Hold securely in place by adequate stakes and bracing. 4. Use flexible or curved forms of proper radii for curves having radii of 100 feet or less. 5. Remove unsatisfactory forms from the line of work and do not reset. Repaired forms �shall not be used until they have been inspected and approved by the Architect/Engineer. . 6. Set forms accurately to line and grade. If the forms are set more than O.Ol� foot above or below grade or more than 0.02 foot from � � prescribed alignment, they shall be corrected before any concrete is placed. 7. Slipform equipment may be used if the resulting curb and gutter conforms with the Drawings and the finish is satisfactory to the Architect/Engineer. C. Placing Concrete � 1 . Immediately before placing the concrete; the inside faces of the forms shall be wetted and the subgrade moistened with water if subgrade paper is not used. Strike concrete off to the required cross section by curb mule or power curber. The upper face of the gutter slab and the front face and the top of the curb shall be smoothed with a wood float. Side forms shall remain in place for at least 12 hours after the concrete has been cast. All cavities shall be filled with mortar, upon removal of the side forms. D. Concrete Finish 1 . After the water sheen has disappeared, joints and edges shall be rounded to the radii shown in the plans. 2. All concrete surfaces exposed to view shall be lightly brushed to a uniform texture. 3. Test gutter flowline with a ten faot straight edge. Correct depressions that will hold water. E. Joints l. Expansion joints shall be formed by installing normal to the surface, a 3/4-inch section of bituminous fiber joint shaped to the full width of cross section and extending from 1 inch below the finished surface to the subgrade. The space above the expansion joint shall be kept open by a suitable cap until the concrete is finished. 2. The contraction joints may be formed by inserting into the concrete a plane of weakness not less than one-half the depth of the concrete, or by sawing to a depth at least 1/4 the thickness of the concrete. 3. All joints shall be sealed with hot-poured concrete joint sealer. � � 02522-2 191/1/1006.1 � 4. If the concrete is to be placed at temperatures below 75 degree F. , the Contractor will decrease the spacing of expansion joints to compensate for the lower temperature. F. Backfill 1 . Backfill from the top of curb to the established contour of the adjacent ground as directed by the Architect/Engineer. 2. Remove excess excavated material from the site of the work. Clean up and dispose of rubble and construction debris, and leave the site of the work in a condition satisfactory to the Architect/Engineer. 3.03 CURING CONCRETE A. All concrete shall be treated immediately after concreting or cement finishing is completed to provide continuous moist curing in accord with ACI 301, above 50 degrees F. for at least seven days, regardless of ambient air temperatures. B. After seven days, protect concrete from moisture loss by the use of a sprayed on chemical membrane covering. Any deviation from this specification shall be approved in writing by the Architect/Engineer at the request of the General Contractor. END SECTION 02522 . � � 02522-3 191/1/1006.1 � SECTION 02700 SITE UTILITIES PART 1: GENERAL 1.01 RELATED DOCUMENTS A. Conditions of the Contract and portions of Division One of this Project Manual apply to this Section as fully as though repeated herein. 1.02 RELATED SECTIONS A. Consult drawings and specifications of other trades for correlating information. 1.03 SUBMITTALS A. Submit to the Engineer: 1 . Two copies of test and inspection certificates immediately upon completion. 2. One copy of record drawings showing all changes made during construction. � � 1.04 REGULATORY REQUIREMENTS A. Comply with the rules and regulations of the Local Utility Companies. He shall check with each utility company providing service to this project and determine or verify their requirements regarding incoming domestic water, sprinkler, sanitary and storm sewer and gas. B. Secure and pay for all permits, licenses, fees and inspections . C. Make all arrangements with each utility company and pay all service charges associated with new or modifications to existing services. D. The status of any code provision that may be in question must be resolved with the Local inspection authority. E. Where drawings or specifications call for workmanship or materials in excess of code requirements, a lower grade of construction will not be permitted. 1.05 CLEANING A. When all the site work is complete, thoroughly clean all material and equipment installed as a part of this contract and leave all equipment and material in new condition. B. At job completion, this Contractor shall clean up and remove from the site all debris, excess material , and equipment left during the progress of this contract. , 02700-1 191/1006. 1 '`• 1 � � PART 2: MATERIALS 2.01 STORM SEWER, CULVERTS AND SANITARY SEWER A. Vitrified Clay Pipe and Fittings (15 inch maximum diameter) : ASTM C-200, extra strength, with joints conforming to ASTM C-425. B. Reinforced Concrete Pipe (12 inch minimum diameter) : ASTM C-76 (reinforced concrete culverts, storm drain and sewer pipe) , minimum Class II requirements. Joints: ASTM C-443 (using rubber 0-ring gaskets) , styled to the Bureau of Reclamation R-4 joint, all meeting ASTM C-361. C. PVC Sewer Pipe, when approved (sizes 6 inch through 15 inch diameter) : ASTM D-3034 (Type PSM SDR 35) pipe and fittings. Joints: Rubber gaskets, ASTM F.-477. Jointing: ASTM D-3212. Solvent welded joints are , permitted ONLY when approved by the Architect/Engineer. D. ABS Sewer Pipe, when approved (sizes 6 inch through 15 inch diameter) : ASTM D-1788 (6 inch solid wall )/ASTM D-2680 (8 inch and larger composite wall ) . All ends of composite pipe where lightweight concrete filler is exposed shall be painted with solvent cement as recommended by the � manufacturer to permit air testing. Jbinting 'shall be in accordance � ' with the manufacturer's recommendations. � E. Cast Iron Pipe, where shown: 150 PSI , ANSI Specification A21 . 1, A21 .6, and A21 .8 for gravity sewers or forcemains. Minimum thickness Class 22 with standard thickness cement lining conforming to ANSI A21 .4. Pipe shall be coal -tar pitch coated outside. Fittings shall be AWWA cast iron mechanical joint or flanged and conform to pipe requirements. � F. Ductile Iron Pipe (See 2.02, A.2) G. Polyethylene Pipe, joints and fittings for storm sewer shall be manufactured in accordance with AASHTO M294, Type S. Material shall be high density, polyethylene conforming to ASTM D3350. Pipe shall be seamless with annular corrugation on the exterior and smooth interior waterway equal to Hancor Hi -Q. 2.02 DOMESTIC WATER AND SPRINKLER MAINS BELOW GRADE A. Pipe and fittings: 1 . Cast iron pipe (C. I .P. ) shall be 150 PSI ANSI Specification A21 . 1 , A21 .6 and A21 .8. Thickness Class 22. Standard thickness cement lining ANSI A21 .4. Pipe and fitt�ngs shall be coated outside with coal -tar pitch varnish. 2. Ductile cast iron cement-lined bituminous coated pipe, Class 50. The pipe shall_ conform to AWWA Specifications C151-86 or latest revision. Normal working pressure shall not exceed 150 PSI . Pipe shall be furnished in nominal eighteen (18) or twenty (20) foot lengths. Each pipe shall have the weight and class designation ' conspicuously painted on it. In addition, the manufacturer's mark and year in which the pipe was made shall be distinctly cast or stamped on the face of the bell . 3. Fittings shall be connected to sections of water main pipe by means of inechanical joints. , .. 02700-2 191/1/1006. 1 ' �., ,' Y a. Mechanical joint pipe shall meet the requirement of ASA Specification A-U11. All pipe fittings shall be AWWA cast iron or ductile iron mechanical joint and shall conform to the same specification as the pipe. Bolting materials shall meet the requirements of the manufacturer. 4. Poly Vinyl Chloride (PVC) Pipe: Shall be AWWA C-900-89 or latest edition, 150 psi pressure class, cast iron pipe equivalent outside diameter, dimension ratio (DR) of 18. B. Pipe and fittings: Domestic water main only. 1 . Type K, soft drawn copper tubing. Fittings shall be flanged compression type. Pipe and fittings shall conform to ASTM 688 requirements. Joints for pipe and fittings shall be made with flanging tool . 2. Dielectric unions or flanges shall be installed where copper or brass piping is connected to ferrous material such as steel piping. . 2.03 CONCRETE THRUST BLOCKS A. All thrust blocks �shall be precast or poured with 3,000 psi (28 day) concrete. When poured, care shall be taken so that the concrete does not interfere with access to joints or with hydrant drainage. 2.04 GATE VALVES � A. The bodies of the valves shall be of the best quality of cast iron, bronze-mounted and the stems of the valves shall be of the best quality of bronze. Each valve shall be constructed of the best material and shall withstand, without leaking, a 300 psi hydraulic pressure and a 150 psi working pressure. All valves shall have mechanical joint or slip type ends, inside screw and shall be equipped with a two (2) inch operating nut. All valves shall open by turning counter clockwise. Wall� and post indicator valves shall have a vision window indicating valve position. All valves produced by the following manufacturers or valves of equal quality are acceptable: Mueller Company, Decatur, IL. ; Kennedy Valve Manufacturing, Inc. , Elmira, NY; Traverse City Iron Works, Traverse City, MI . 2.05 HYDRANTS A. Hydrants shall be furnished with two hose nozzle connections 2-1/2" National Standard Thread, 7-1/2" to the inch and one pumper nozzle with 4-1/2" National Standard Thread, four to the inch. Hydrants shall have a six (6) inch mechanical joint inlet and five (5) inch valve opening. Nozzles shall be placed a minimum of 24" above finished grade. All hydrants shall be furnished with a traffic flange. 2.06 GAS PIPING BELOW GRADE A. Incoming gas service piping and method of installation shall conform with all federal and utility company requirements as well as local codes. 2.07 PRECAST CONCRETE STRUCTURES A. Precast concrete: 1 . Provide and install as indicated on drawings. � 02700-3 191/1/1006. 1 •�" � 2. Structure must conform to ASTM C-478, Standard Specifications for Precast Reinforced Manhole Sections and all local codes. . 2.08 CAST IRON FRAMES, GRATES AND COVERS A. Castings shall be of the type, style, weight, and size indicated on the plans. B. Castings shall be of uniform quality, free from blowholes, shrinkage, distortion or other defects. They shall be smooth and well cleaned by shot blasting. Component parts shall fit together in a satisfactory manner. Round frames and covers shall have continuously machined bearing surfaces to prevent rocking. C. Metal shall conform to ASTM A48-76 Class 35 for grey iron, or ASTM A536-80 Grade 65-45-12 for ductile iron. . PART 3: EXECUTION 3.01 FIELD QUALITY CONTROL A. Pressure test all piping systems 'and maintain pressure until piping is ' � covered or insulated. ' � B. Comply with tests and inspections required by code. C. See Submittals, Paragraph 1 .03 in this Section. D. Flush and test sprinkler service main. � 1 . Complete and return test forms. • - E. Provide static and residual pressure test results of water system before � starting construction. - F. Provide Sterilization Test Approval for domestic water main. 3.02 EXCAVATION AND BACKFILLING . , . A. Excavate as required to install pipes, tanks and equipment to the depth shown on plans or required for proper operation. � B. Construct shoring and bracing in accordance with Local , State and Federal safety regulations that apply as required to protect trench construction, adjacent buildings and property as well as the safety of employees and public. C. Provide temporary bridges where required to maintain traffic. D. Excavations shall be kept free of water during construction. Should the soils become softened by ground water or surface runoff, the soft material shall be removed and replaced with suitable material . Compact in lifts of 9 inches. E. Provide and maintain acceptable safety barriers and warning lights to eliminate hazard to public, construction and owner's personnel . � � 02700-4 191/1006. 1