Estimate for the work of providing & laying of 100 mm dia DI water line to JP Nagar 2nd Phase, Sarakki Agrahara BDA Layout Sy. No.21/6, 21/7, 21/8 and Nyanappanashetty Palya Sy. No.90/1, 90/2, 93 coming under JP Nagar 3rd Phase S/stn., of AEES-2-1 sub division.

BANGALORE WATER SUPPLY AND SEWERAGE BOARD

ITEMWISE TENDER

Name of Work : Estimate for the work of providing & laying of 100 mm dia DI water line to JP Nagar 2nd Phase, Sarakki Agrahara BDA Layout Sy. No.21/6, 21/7, 21/8 and Nyanappanashetty Palya Sy. No.90/1, 90/2, 93 coming under JP Nagar 3rd Phase Service station of AEES-2-1 sub division.

Sl No. Particulars Unit Qty

No. 1 Dismantling of Flexible pavements (Bituminous course) by Mechanical means and disposal of dismantled materials and stacking serviceable and unserviceable materials separately. Cum 117.6

No. 2 Earth work excavation for pipeline trenches in all kinds of soils by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required, utilizing the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata. All kinds of soils. Depth up to 1.50 m. Cum 352.8

No. 3 Providing and laying Ductile Iron pipes of class DI K9 Pipes conforming to IS 8329:2000 with latest amendments, conveying to work site, rolling and lowering into trenches, laying true to line, level and perfect linking at joints, testing and commissioning, including loading and unloading at both destinations, cutting of pipes wherever necessary, jointing with DI specials (excluding cost of specials) and rubber gaskets, cleaning the socket and spigot end with soap solution, applying soft soap to the socket and spigot ends before insertion of rubber gaskets, jacking and fixing in perfect conditions etc. The cost to include soap solution, soft soap, waste etc. and giving necessary hydraulic test to the required pressure as per ISS with all lead and lifts and cost of all jointing materials. (The contractor will make his own arrangements for water for testing. Earth work excavation in trenches to be measured and paid for seperately) Note: In sewerage projects for internal cement mortal lining (CML) of DI pipes, if High Alumina Cement (HAC) as recommended in Annexure B clause 16.3 of IS8329:2000 is considered in place of Slag or Sulphate Resistance Cement (SRC), the cost of pipes may be increased by 5-6% from the prices listed. 100mm dia pipe mtr 560

No. 4 Providing and fixing DI MJ specials such as branches and bends suitable for DI K7 and K9 pipes and CI LA class pipes, as per 15 13382 with latest amendments with complete accessories and fixing at site excluding earth work but including loading. unloading, freight charges etc complete for Brabch 100 x 100mm Nos 8

No. 5 Bend 100 x 45 degree Nos 16

No. 6 Collar 100mm dia Nos 28

No. 7 Providing, fabricating and fixing at site various diameter MS MJ ends with dummy plates (END CAPS) to suit CI/DI spigots end as per the sketch. The cost is inclusive of all materials, i.c, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipments, lead and lifts, etc. complete as per the instructions of Engineer in charge. 100mm dia Nos 2

No. 8 Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of various dia with body bonnet of Ductile Iron (DI) conforming to IS-1865 with the latest amendments and of grade GGG 40/50, shaft of stainless steel, wedge fully rubber lined with EDPM scals of NBR and the valves should be vacuum tight and 100% leak proof with face to face dimensions as per IS 14846-2000 with the latest amendments only. The stem scaling should be with toroidal sealing rings (minimum 20 rings). Body and bonnet should be coated with Electrostatically applied Epoxy Powder Coating with minimum coating thickness of 250 micron both inside and outside. The rate is inclusive of cost of valves, T.P set, galvanized bolts & nuts and nibber insertions etc. but excluding earth work. (Note: TP set should be considered only for Di pipes estimate. For MS pipes estimates, TP sets cost of corresponding dia shall be deducted from the SR rates of valves and provision for corresponding dia MS flanges should be made in the estimate.) etc. complete. For PN 16: 100mm dia Nos 6

No. 9 Providing house connection with excavation in all types of soils cutting with machine cutter without damaging the other utilities and Providing and laying of MDPE pipe (PE80)-PN 12.5 manufactured in accordance with ISO 4427-1996 with minimum required strength of 8 Mpa, hydraulic design stress of 6.3 Mpa and with minimum wall thickness of 2.3mm/ Gl pipe by making the bore of 15mm dia. size on the distribution mains using drilling bits or machines only and laying the pipe line at a depth not less than 0.45 mtrs. from the road surface, including providing 40mm dia. "A" class Gf pipe as casing over the MDPE pipe from the bore point and up to the entrance of the premises and removing the stone slab covering of the drain and dismantling the size stone masonry wherever necessary and making bore in the wall of the premises. On entering the premises, connection should be continued with 20mm Gf pipe by making "U" shape for the meter point below the ground level by making pit with sufficient space for the easy installation and removal of the water meter and providing vertical stand pipes on both sides of the meter. The connection should be secured firmly on the distribution main pipe with SS/ Brass ferrule of size 1/2" x 3/4" and fixing the union joint and gate valve / stop cock before the meter point and a reflez valve/non-return valve should be fixed on the connection after the Jmeter point. (All these fixtures should be of standard quality conforming to IS). The compression fittings for MDPE pipes conforming to ISO 14236 and its latest versions. If the connection is of HDPE pipe the work includes electric fusion tapping T or saddles. PE 100 black colour pipe of PN 16/SDR 11 or Higher grade conforming to standards with brass cutter cum flow regulator, water tight cap with O'ring, long spigot for making bore/tapping suitable to HDPE pipe by Electro fusion welding as per BS EN 12201-3 & EN 1555-3 standards. The Product should be tested to comply with BS 6920 for drinking water service in WRC NSF, UK and DVGW certificate, Germany. The Saddle should be manufactured Virgin Compounded PE 100 material. Tapping Tee or Saddles with coupler and compression fittings with cost of Gl pipes. as per diagram, all specials such as GI tee, Gl elbow, GI coupler, stopper with appurtenances, and brass or SS tap The excavated trench should be refilled with soft selected earth and the dismantled masonry of the drain should be re-constructed with available size stones in CM 1:8 and providing coping in CC 1:3:6 wherever required and the stone slab covering should be refixed in position with pointing in CM 1:3 and also the bored wall of the premises should be re-done to the original position and the rates are inclusive of the cost of all the materials, cement, sand water etc., required for these works. The road surface should be compacted well and brought to the original condition and the excess earth or debris should be disposed off to a distance with an initial lead of 10 Kms. etc. complete for the following diameters: (for minimum length of 2m) etc. complete. House Connection - 15mm dia - For minimum length 2m Nos 50

No. 10 For connection pipe length beyond 2.0 mtrs for every 1 mtr. Or part thereof. mtr 75

No. 11 Supplying and providing stone dust in the station yard or wherever required including watering, ramming, consolidating and dressing. The rate includes the cost of material, labour charges, required tools and plants etc., complete. Work shall be carried out as per the instructions of Engineer-in-charge of works as per the standard procedure. mtr 117.6

No. 12 Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cm in depth, compacting each deposited layer by ramming after watering with a lead up to 50 m, and lift up to 1.5 m. Including cost of all labour complete as per specifications. Cum 230.8

No. 13 Removal of Unserviceable Soil with Disposal up to a suitable distance as directed by the Engineer incharge of work Cum 122

No. 14 Construction of Granular Sub-Base of required grading as per design mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401. For Grading-III Material. Cum 58.8

No. 15 Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. Cum 58.8

No. 16 Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 kg/m2 using mechanical means. Prime Coat over WMM/WBM. Sqm 392

No. 17 Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.25 kg/m2 on Granular surface. Tack coat on Granular surface treated with primer. Sqm 392

No. 18 Providing and laying Bituminous Macadam with 120 tph capacity hot mix plant batch type using crushed aggregates of specified grading premixed with bituminous binder VG-30 @ 3.3% by weight of mix, transported to site, laid over a previously prepared surface with mechanical paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction. Bituminous Macadam Grading - I for traffic < 20 MSA. Cum

No. 19 Providing and laying Bituminous Concrete with 120 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 5.2 per cent of mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects. Bituminous Concrete Grading I for traffic < 20 MSA. Cum