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HomeMy WebLinkAboutSpecifications� 0 SITE WORR GENERAL NOTES AND SPECIFICATZONS GENERAL CONDITION3 A. The Contractor shall be responsible for obtaining, or verifying that all permits and approvals are obtained from the respective city, county and state agencies prior to starting construction. B. It shall be the Contractor's responsibility to determine the exact location of all existing utilities in the vicinity of the construction area prior to starting construction. C. It shall be the Contractor's responsibility for notification and coordination of all construction with the respective utility companies. D. It shall be the responsibility of the Developer and Contractor to maintain quality control throughout the project; failure to do so may result in removal and replacement of the defective work. It is recommended that the developer have a qualified inspector on the job site at all times during construction. E. It is essential that the work to be done in conjunction with this project shall be installed according to these specifications. The Engineer will be required to certify to certain portions of this project upon completion. Therefore, it is necessary to obtain approval and acceptance by the City that construction was done in compliance with these plans and specifications. F. The designation A.S.T.M. shall refer to the American Society of Testing and Materials standards. The latest revision of listed A.S.T.M. standards shall prevail. G. The designation I.D.O.T. shall refer to the Indiana Department of Transportation Standard Specifications dated 1985 and all subsequent revisions. eral Ordinance No. 49, dated 1972, sha�l�f��-t� the In i ' � artmPT�,�.�-�ef-�'�°firansportation specificati��s.;�-�--�-��°°t`�ie"�` la e's"t" '' of said _,„.._...e�i�nce shall prevail. CLEARING AND GRUBBING A. Clearing and grubbing shall consist of cutting, removal and satisfactory disposal of all trees, down timber, brush, projecting roots, stumps, rubbish, boulders, broken concrete, fencing (as designated), and other material on the project site and with the boundary as shown on the Construction Documents and/or as designated by "construction limits". B. Special care shall be taken to insure that trees to be left remaining in the project area shall not receive limb, bark or root injuries. When such injuries occur, all rough edges of scarred areas shall be removed in accordance with accepted horticultural practice and the scars coated thoroughly with an asphaltum base tree paint. C. All "unsuitab�e material" from clearing operations stated in item II-A shall be removed to disposal area(s) off of the project site; unless a"Bury Pit" shall be utilized in an area where it shall not be beneath building areas and/or pavement areas and shall not be located in an area where storm drainage structures shall be located or where impoundment of surface drainage may occur. Written permission of project owner must be obtained for bury pit construction on site, including location. D. Materials shall not be disposed of by burning unless approved by the local Fire Marshall. TREE REMOVAL AND PROTECTION A. Trees shall be removed from the project site only where the area is to be occupied by road and surfaced areas in accordance with specifications of the Indianapolis Department of Transportation. B. Trees shall be removed from the project site as directed by the Developer, and so designated. C. Trees shall be removed from the project site where they interfere with the placement of storm or sanitary sewers. D. The Contractor shall endeavor to save and protect trees of value and worth which do not impair construction of improvements as designated. In the event cut or fill exceeds 0.5 foot over the root area, the Developer shall be consulted with respect to protective measures to be taken, if any, to preserve such treese E. The Contractor shall be responsible for determining the method for protection of tops, trunks and roots of existing trees on the project site that are to remain. Existing trees subject to construction damage shall be boxed, fenced or otherwise protected before any adjacent work is started. Earth or material and equipment shall not be stockpiled or stored within the spread of branches. Branches which need to be removed or are broken shall be neatly trimmed and scars shall be covered with tree paint. F. See Note II-B. n STRIPPING OF TOPSOIL A. T h e C o n t r a c t o r s h a l l v e r i f y t h a t a l l t o p s o i l h a s been removed in the areas to be occupied by road, walks and designated building areas. Topsoil shall be removed to a depth of 8 inches or deeper, if necessary, to remove vegetative matter where required. B. Topsoil shall be kept separated from suitable fill materials and shall not be used as fill under pavement and/or building areas. C. Topsoil shall be stored at a location where it does not interfere with construction operations. Excess topsoil shall be removed from the site. Topsoil storage areas shall be approved in writing by the Owner. D. Topsoil shall be reasonably free from subsoil debris and stones. GRADING A. The Contractor shall perform all grading operations to bring subgrades, after final compaction, to the required grades and sections for site improvement. B. Subgrade shall be proofrolled with suitable equipment and all spongy and otherwise unsuitable material shall be removed and replaced with suitable material. C. Subgrade for streets and pavement areas shall be prepared in compliance with the Indiana Department of Highways and Marion County Department of Highways Standard Specifications, for all areas of street construction. Subgrade shall be compacted to 100$ of standard proctor in the upper 6" of depth. Depths of embankment below the upper 6" shall be compacted to 95� of standard proctor. D. See PAVEMENT CONSTRUCTION E. Al1 fill material shall be formed from soil free of deleterious material. Prior to placement of fill, a sample of the proposed fill material should be submitted to the soils engineer for his approval. The fill material should be placed in layers not to exceed eight (8") inches in loose thickness and should be spread and dried to a moisture content which will permit proper compaction. F. All fill material in areas outside of building and pavement areas shall be compacted lightly with each lift and protected from erosion. Areas of building construction shall not have unsuitable material placed in that location, and fill shall be compacted in accordance with the Soils Engineer's report (minimum of 95� standard proctor). These areas shall b� determined by the developer's representative. SANITARY SEWER CONSTRUCTION A. Current City of G4,�C#�!�- Sanitary Sewer District, County and State specifications shall prevail as to materials and methods of construction. B. The Contractor shall be responsible for obtaining or verifying all permits for all or portions of this project prior to starting construction. Contractor shall notify the �TY oF Gp,�t..l�l- 48 hours prior to commencement of sanitary construction. The Contractor shall notify the G�T( o� �,�Mtl' � and the Engineer for " scheduling all inspections during construction. C. Sanitary sewer shall be installed in accordance with the Indiana State Board of Health requirements, D. Sanitary sewer shown on the construction plans shall be A. B. S. Truss Pipe, in accordance with A. S. T. M. D- 2680 (8"-15" pipe and fittings) , D-2751 (6" pipe and fittings), or P.V.C.-A.S.T.M. D-3034 (S.D.R. 35) pipe, or A.S.T.M. F794 P.V.C. ULTRA-RIB (8" to 18") pipe. E. All fittings and joints shall be premolded type and manufactured and installed in accordance with the pipe manufacturer's specifications. F. Sanitary manholes shall be pre'cast concrete in accordance with A.S.T.M. C-478, includinq concrete adjusting rings. G. Manhole castings shall be Neenah 1712-BSP with concealed pick holes, or equivalent. H. Solvent welded tappi�g saddles shall be used for lateral connections. I. Water and sewer line crossings and separations shall be in accordance with Ten States Standards and local codes. 1. Where water lines and sewer lines cross and the water line cannot be placed above the sewer line a minimum of 18" with a minimum cover of 48", the sewer line shall be constructed of waterworks grade cast iron pipe with mechanical joints. 2. Where water lines and sanitary sewer lines run parallel with one another, a minimum of 10' horizontal separation shali be maintained. J. All future sewer installation, either connected to or extended from this system, shall be constructed in accordance with these specifications. K. No roof drains, footing drains, and/or surface water drains may be connected to the sanitary sewer system, inclu�ding a t.e��oraYy cannectioa� durir�g oonstnictio�. A L. F� N. � � � Q S. T. U. V. B u i l d i n g s s h a l l b e s e r v i c e d b y a 6" m i n i m u m s a n i t a r y sewer lateral. The sewer lateral's termination shall be indicated on the surface with a metal fence post set immediately above said temporary termination point. The ends shall be plugged and sealed with a water tight clay or plastic disc. Wyes are to be tiled up to 45 degrees from the horizontal, with suitable fittings for all changes in direction. The Contractor shall provide the Engineer with "as- built" locations and information for all sanitary sewer laterals within ten days after completion. Kent seal or extrudable Butyl rubber shall be used at manhole section joints. Manhole waterstops shall be installed at all connections to manholes, where flexible-type manhole connections are not used. All precast manholes shall be bedded on a granular foundation as shown in the Details. The granular foundation shall be compacted with vibratory tamps. The Contractor shall remove by pumping or other suitable methods any water which may accumulate in trenches. The Contractor shall be responsible for all tests for leakage, infiltration and deflection as established by the City of Indianapolis and the Indiana State Board of Health. Any portions not passing said tests for acceptance shall be repaired or replaced at the Contractor's expense, including re-excavation and backfill. All testing shall be observed by a Professional Engineer for certification within forty days after completion. Pipe shall be laid in open trenches, except when conditions require and the appropriate approving agencies give written permission for tunneling or jacking of pipe. Trench shall be opened sufficiently ahead of pipe laying to reveal obstructions, and shall be properly protected and/or barricaded when left unattended. Contractor shall be responsible for sheeting and bracing of trenches as necessary to protect workmen aiid adjacent structures. All trenching shall be done in accordance with O.S.H.A. standards to protect workmen. Manhole inverts shall be shaped for flow channels with concrete and smoothly finished by a semi- circular section conforming to the in:;ide diameter of the connecting sewers. Changes i.n size and grade shall be made by smooth true curves for all connecting sewers at each manhole. W. Granular backfill shall be required under all pavement areas and within 5 feet of the edge of pavement. X. During installation of pipe in wet conditions, the contractor shall use de-watering pumps a well as 6 inches of #8 stone or larger granular material beneath the pipe and connection joints should be dry and clean. Y. The maximum length of a sanitary sewer lateral between cleanouts is 100 feet. EROSION PROTECTION DURING CONSTRUCTION A. The contractor shall provide adequate erosion protection measures during construction. l. Riprap at locations designated on the plans. 2. Swales draining the site shall be mulch seeded or sodded and Contractor shall be responsible for establishing grass cover. 3. All proposed lakes shall be mulch seeded from edge of water to top of bank. Contractor shall be responsible for establishing grass cover. 4. Construction operations conducted on private or city-owned property shall be neatly finish graded and mulch seeded. STORM SEWER CONNECTION A. Storm sewer structures shall comply with current specifications of the City, County, and all agencies in respect to design and quality of construction. �11 storm sewer construction inside public rig�t�=°' way;°e�.tl�,r existing or to be ded�a�e�d°°; shall be in accordanc Gene inance 49, 1972. Contractor sha13, dianapolis Department of T�r,s3,ns.}�v��"Eation forty-eigh��s prior to encement of storm sewer constructiori °'�- -"�."�----....., C. Where reinforced concrete pipe is shown on the construction plans, it shall be in accordance with A.S.T.M. C-76 Class III Wall "B", unless otherwise specified on the plans. D. Where corrugated metal pipe is shown on the construction plans, it shall be 16 gauge unless otherwise specified and shall have the connecting bands and seals as specified by the manufacturer. C.M.P. may be either aluminum pipe or zinc coated steel sheets in accordance with A.S.T.M. A-444. E. Manholes, catchbasins, and inlets to be precast concrete. F. P r e c a s t c o n c r e t e a n d s t e e l f o r m a n h o l e s a n d i n l e t s shall be in accordance with A.S.T.M. C-478. G. Castings shall be as shown on the Structure Data Table for manufacturer, type, and model number. H. Granular backfill shall be required for all crossings under pavement areas, per General Ordinance 49, 1972. IITILITIES A. Water line 1. See Sanitary Sewers for vertical and horizontal separations (Note VI-I-1 and 2). 2. All water lines shall be in accordance with the Standards and Specifications of the Indiana State Board of Health. Sterilization of water mains shall be in accordance with the Indiana State Board of Health for procedures and time of treatment. 3. Pressure tests for the water system shall be performed in accordance with manufacturer's recommendations. 4. Granular backfill shall be required for all utility crossings under pavement areas and 3 feet beyond the edge of pavement. 5. All water lines within the existing or proposed right-of-way or special easements requested by the Water Company shall be a minimum Class 51 cement lined ductile iron pipe or copper and shall be installed in accordance with the Indianapolis Water Company specifications. 6. Where private water lines for potable water lines are shown on the contract plans, they shall be type "K" copper pipe for sizes up to 2 1/2". Copper water service lines and fittings shall conform to A.S.T.M. B-88. 7. Pipe sizes between 3" and 12" for potable water mains shall be cement lined ductile iron pipe C.L.50 conforming to A.N.S.I. Specification A21.50. 8. Thrust blocks shall be installed in accordance with the details contained within the plans, or the Indianapolis Water Company standard specifications, as applicable. 9. Felt material not to exceed 3/8 inch thick shall be placed between pipes and concrete thrust blocks. 10. All valves and appurtenances for domestic and fire protection water mains shall be approved by the Underwriters Laboratories and Factory Mutual for critical use. A, � C. � B. Electric and Telephone 1. Conduit shall be required for all crossings under pavement areas. 2. Granular backfill shall be required for all crossings under pavement areas. 3. Concrete pads for electric and telephone transformers shall be set at the approximate ground grade as shown on the Site Development Grading Plans for the respective locations. GRANULAR BACRFILL Shall be in accordance with I.D.O.H. Standard Specifications, PAVEMENT CONSTRUCTION All street and pavement construction shall be in accordance with the plans and specifications and conform to the minimum standards of General Ordinance 49, 1972. Subgrade shall be prepared in compliance with Section 207.02 of the I.D.O.H. standard specifications. No traffic shall be permitted on the prepared subgrade prior to paving. Backfilling of utility trenches with granular material under pavement areas is required and shall conform to General Ordinance 49, 1972. Contractor shall notify the GI'fY �I� G4(LI��I� forty-eight hours prior to commencement of street construction within any existing or proposed right-of-way. CONCRETE CURB AND WALRS A. See Detail Sheet for type and details. Curbs and walks within the project area and within existing or proposed right-of-way shall be constructed in accordance with General Ordinance No. 49, 1972. B. Concrete shall be ready mixed Portland cement conforming to A.S.T.M. C-150, and water. Aggregate shall conform to A.S.T.M. C-33. Compressive strength of concrete at 28 days shall be 4000 p.s.i. Where required, reinforcement sha11 be welded steel wire fabric conforming to A.S.T.M.A- 185. C. Application 1. Place concrete only on moist, compacted subgrade or base free from loose material. Place no concrete on muddy or frozen subgrade. 2. C o n c r e t e s h a l l b e d e p o s i t e d s o a s t o require as little rehandling as practical. When concrete is to be placed at an atmospheric temperature of 35°F. or less, Paragraph 702.10 of the I.D.O.H. Specifications, 1985 edition, shall apply. 3. Except as otherwise specified, cure all concrete by one of the methods described in Section 501.17 of the I.D.O.H. Specifications, 1985 edition. FINISH GRADING AND SEEDING A. Over the approved rough grade (see Section V), spread 4" minimum of topsoil or approved fill to such depth as will finish to the required finish grades and contours after rolling and natural settlement. New grades shall slope uniformly between levels established on the plans, and intersections of new grades with existing grades shall be uniform and smooth. B. Fertilizer and Agricultural Limestone. Fertilizer and agricultural limestone shall be spread uniformly over the area to be seeded. They shall be mixed into the top two inches of soil with a disk harrow, rotary tiller, or other approved equipment. Fertilizer shall be spread at the rate of 800 pounds per acre and agricultural limestone at the rate of one-half ton per acre, unless otherwise specified. C. A seeding mixture in the areas where stripping, cuts, or fills have been graded shall be seeded for silt and erosion protection at a rate of 90 pounds per acre with a mixture as follows: 18 lbs. Kentucky Bluegrass, 18 lbs. Park Kentucky Bluegrass, 18 lbs, Delta Kentucky Bluegrass, 10 lbs. Pennlawn Fescue, and 26 lbs. Annual Ryegrass. Wood cellulose fibre, straw or mulch, as approved by the Engineer, shall be applied at a rate of 3/4 tons per acre. w � 3 a� °' d� ° w w � Y Q; U N� O� � O� W V � � � Q� o Q� U � ., cn � I - i -- � -r-T- ; I ; j i ! �; z 0 � �i �� � C� _� � `t � � � `� � n lI � � i � }- w J w � � � � z o � � � � O w � �- _ � � � � 07 � O � � -1 � °� � _1 � � -� � i � � I c5 � P� z �^ � a a � � • � � � � � � � d v�i ■ � � � w w z � �z w VJ � � � � V � U 1-�� 11- VJ SHEET ��I�� � � a°� � � a d 0 0 R q � � 4 S S � � r u v � n � � n � � � � � °` G����1Te�+J WORK ORDER N0. DATE DRWG. N0. ����i I �°'� +' `_ � � ;�} \I k � � �. ` . �, ,� . � � w_, a _. 0