REPAIR REPLACEMENT AND MAINTENANCE TO EXISTING WATER SUPPLY SYSTEM CI DI GI OLD CEMENTED PIPE LINES AND CONNECTED ACCESSORIES AT NARAINA MAP 505 WORKSHOP AREA ME LINE ESD FOL DEPOT SUBRAMANIAN LINE AND ADJOINING AREAS OF AGE U WS NO I UNDER GE U WATE

Amount

REPAIR REPLACEMENT AND MAINTENANCE TO EXISTING WATER SUPPLY SYSTEM (CI/DI/GI/OLD CEMENTED) PIPE LINES AND CONNECTED ACCESSORIES AT NARAINA MAP, 505 WORKSHOP AREA, ME LINE, ESD, FOL DEPOT, SUBRAMANIAN LINE AND ADJOINING AREAS OF AGE (U) WS NO-I UNDER GE (U) WATER SUPPLY, DELHI CANTT-10

Excavation in trenches not exc 1.5 metres wide and not exc1.5 metres deep for pipe line in any type of soil, getting out and levelling of bottom surface to required level complete all as specified and directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and directed.

Removal of excavated material from site to a distance not exceeding 50 meters away and depositing where directed at a level not exceeding 1.5 meters above the starting point complete all as specified and directed

Excavation in trenches by cutting of road crossing, PCC hard standing for taking out/laying of pipe lines including PCC (1:2:4) type B-2 (with 40 mm graded aggregate) in foundations,filling and mass concrete complete including making good the existing surface complete all as specified and directed.

Taking up GI/Nidhi/CI/MS Pipes including all fitting of the following sizes as specified and directed by Engineer-in-Charge :- (Note:- (a) Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of CI/DI pipe in 'RM' and lead in 'KG'shall be taken into account and attach with RAR/F Bill) (b) Excavation and earth work shall be measured and paid seprately under respective items.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Material and labour for DI specials like MJ Collars, Bends, tapers any type any radius and angle, Tee pieces single branch `Y' junction, double branch, cross (all sockets or socket and spigot) collars, DI connecting pieces one end flanged and other end spigot/socket, reducers/bell mouth pieces one end flanged and other end tapering as bell mouth for the size up to 250 mm dia bore complete all as specified and directed. (Note:- Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of fittings in weight (KG) shall be taken into account and attach with RAR/F Bill)

Material and labour for Cast iron bends, tapers any type any radius and angle, Tee pieces single branch `Y' junction, double branch, cross (both all sockets or socket and spigot or flanged) collars, cast Iron connecting pieces one end flanged and other end spigot/socket, reducers/bell mouth pieces one end flanged and other end tapering as bell mouth for the size up to 250 mm dia bore. (Note:- Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of fittings in weight (KG) shall be taken into account and attach with RAR/F Bill)

M&L including jointing and testing of cast iron Sluice Valve ISI marked (PN-1.0) confirming to IS 14846-2000, flanged ends drilled having stainless steel spindle with cast iron wheel at top complete with nuts, bolts, washers and gaskets complete all as specified and as directed. (Note:- Old unserviceable material shall be taken on charge and enter in demolition / salvage register in 'EACH' and attach the same page of salvage register with each RAR.)

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

Supply, fixing, jointing and testing of Cast iron Non Return valve of following sizes without by pass arrangement , Swing type, confirming to IS 5312, flanged ends pressure rating PN 1.0 complete including taking out unserviceable NRV complete all as specified and as directed at site by the Engineer-in-Charge. (Note:- (i) Flanged joints complete with jointing material shall deemed to be included in the unit rate of item.) (ii) Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of NRV in numbers (EACH) shall be taken into account and attach with RAR/F Bill)

80mm bore

100mm bore

150mm bore

200mm bore

Material and labour for Run lead joint including jointing material for CI pipe of following size/bore:- (Note:- Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV for old run lead in weight (KG) shall be taken into account and attach with RAR/F Bill)

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Taking up old GI steel tubing and connections of the following sizes from trenches / wall / floor including cleaning for refixing or removal complete all as specified and as directed by Engr-in-Charge :- (Note:- Old U/s GI tubing iron scrap material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV for old run lead in weight (KG) shall be taken into account and attach with RAR/F Bill)

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply & Laying of GI pipe "medium grade" ISI mark including all fittings in old/new positions in trenches/wall/floor complet and making good the distributed surfaces as per existing as directed of following sizes. (Note:- Excavation and earth work will be measured and paid separately).

15 mm bore

20mm bore

25mm bore

40mm bore

50mm bore

S&F Gun metal gate valve with iron wheel head screwed both iron iron pipe ISI Marked as per IS 778 of following sizes including taking out unserviceable gate valve complete all as specified and directed :- (Note:- Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of gun metal gate valve in weight (KG) shall be taken into account and attach with RAR/F Bill)

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply, installation and testing flanged ends strainer/dirt box of following sizes with stainless steel mesh suitable for cold water meter to avoid foreign material entering into meter and making good connection with flanged ends, with gasket rubber sheet and nut & bolts fixing in horizontal/inclind/ vertical position, including taking out unsv strainer/dirt box complete all as directed at site by the Engr-in-Charge. Note :- (i) Flange joints including jointing materials shall deemed to be included in the unit rate of this item. (ii) Old U/s material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of strainer/dirt box in weight (KG) shall be taken into account and attach with RAR/F Bill)

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply, installation and testing in replacement of unserviceable flanged ends Water Meter woltman type, including testing and making good connection with flanged ends, with gasket rubber sheet and nut & bolts etc ISI Marked fixing in horizontal/incline/vertical position, including taking out unserviceable of following sizes complete all as specified and as directed at site by the Engineer-in-Charge. (Note:- (i) Flange Joints Including Jointing material shall deemed to be included in the unit rate of this item. (ii) Old U/s meter obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of water meter in number (EACH) shall be taken into account and attach with RAR/F Bill)

80 mm bore

100 mm bore

150 mm bore

200 mm bore

S&F CI Foot valve of following size, Flanged ends, Swing type opration with rubber sheet as per IS-4038 including taking out unserviceable of following sizes complete all as specified and directed by Engineer-in-Charge. Note (i) :- Flanged joints complete with jointing material shall deemed to be included in the unit rate of this items. (ii) Old unserviceable material shall be taken on charge and enter in demolition / salvage register in 'EACH' and attach the same page of salvage register with each RAR.)

80 mm bore

100 mm bore

150 mm bore

M&L for construction of valves pit chamber having internal dimension 900mmx900mmx900mm (internal height) with PCC sub base using PCC (1:4:8) 40mm graded crushed stone aggregate for foundation 15 cms thick, 23 cm thick brick wall in CM (1:4), 15mm thick rendering all around the brick work in cement mortar 1:6 and included PCC (1:2:4) type B1 as in coping with 20mm graded crushed stone aggregate for grounting MS frame incl 3mm thick MS top sheet cover with locking arrangement incl 50mm pad lock with double key arrangement. MS frame made out of 40x40x6mm thick angle iron incl painting of steel surface with two coats of syenthetic enamel paint over a coat of red oxide primer as finishing coat incl necessary excavation in any type of soil, returning filling in and removal of surplus soil to a distance not exc 50mtrs all as specified and including demolition/ dismantling of exsiting valve chamber as directed by the Engr-in- charge. (Note:- Old U/s brick & MS work obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of volume in (CUM) and weight in (KG) shall be taken into account and attach with RAR/F Bill)

Supply & Fixing of float valve high pressure of PTMT float valve with epoxy coated aluminium rod and high density plastic ball of following sizes including taking down of existing U/s float valve complete all as specified and directed by Engineer-in-charge:- (Note:- Old U/s PVC Scrap obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of weight in (KG) shall be taken into account and attach with RAR/F Bill).

15mm bore

20 mm bore

25 mm bore

50 mm bore

Cutting and screwing the existing steel tubing 15 to 50 mm bore for addition and alteration or lengthening screw on pipe to form connector compete all as specified and as directed.

M&L for painting two coat of synthetic enamel paint as per existing pattern on pipe surface/header connection including preparation of surfaces by scratching and removing the rust, applying one coat red oxide primer complete all as specified and as directed

M&L for removing weeds and wild grass inside the installations using chemical spray and trimming trees and unwanted plants using petrol operated Tree/Grass cutting tools and dressing of the surface by scrapping high patches and filling low patches with the scrapping soil to give an even and neat look to the site and disposing off all the unwanted grass, bushes and debris all as directed by the Engineer-in-Charge.

M&L in repair of MS works of any sizes of angles irons/flat iron/MS sheet works for U/S Sumps for making grills and stair steps etc complete all as specified and as directed. (Note:- Old U/s MS sheet material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV in weight (KG) shall be taken into account and attach with RAR/F Bill.)

Demoliation in concrete cement in ground floors and paving(Road cutting) not exc 15cm thickness (Below or above the ground level) all as per specified and as directed.

M & L for PCC (1:3:6) type C2 using 40mm graded aggregate as in foundation for including fair finish even and fair to exposed surfaces without using extra cement complete all as specified and as directed

Demolition of brick work or stone/boulder masonry built in cement mortar including all quoin jambs pillars etc complete all as specified and directed. (Note:- Old U/s brick / brick bats obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV volume in (CUM) shall be taken into account and attach with RAR/F Bill)

M&L Brick work with sub class 'B' bricks straight or curved on plan exc. 6M mean radius built in CM (1:4) as in brick pillar of required size and shape to support the pipe line including demolition of old brickwork & removing from site all as specified and as directed at site by the Engr-in-Charge.

M&L rendering 15 mm thick plaster on brick work/concrete surface in cement mortar (1:4) finished even and smooth without using extra cement on fair faces & other than fair faces completed all as specified and directed.

S&F, in replacement, butterfly valve 100mm dia with all necessary fittings including taking down old unservicable butterfly valve complete all as specified and directed by Engr-in- Charge. (Note:- Old U/s butterfly valve obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of quantity in (EACH) shall be taken into account and attach with RAR/F Bill)

Supplying , laying , jointing, welding and testing MS Pipe (Heavy class 'C') IS : 1239/3589, of following sizes laid in trenches or in Horizontal/Vertical/inclined position or laying on floors for connections for suction, to header and connected to out going water main CI/DI pipe line, including taking out the old unserviceable pipes complet all as speicifed and directed. (Note:- (a) MS Flanges incl fabrication work will be measured and paid separately. (b) Old U/s MS Pipe obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV of weight in (KG) shall be taken into account and attach with RAR/F Bill)

100 mm dia

150 mm dia

200 mm dia

Supplying and fixing, MS flanges of following sizes not less than 16 mm thick duly welded on ends of MS pipe all as specified and directed by Engr-in-Charge. (Note:- Old U/s flange material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV in weight (KG) shall be taken into account and attach with RAR/F Bill)

100 mm bore

150 mm bore

200 mm bore

Taking down water level indicator unit from Over head reservoir/Semi Under ground sump & supply and fix of new water level indicator with complete accessories such as copper ball, necessary pully, nylon rope, steel Plate duly painted white with marking at every 10cm interval, letter writing of size 15mm width and 100mm long with signal red radium paint and painting of indicator with illumination postal red paint and errected at the height of 3 meter from ground level with necessary angle, nut and bolts rightly calibrated as per the tank level complete all as specified and directed by Engr-in-charge. (Note:- Old U/s steel level indicator material obtained from demolition shall be taken on charge in demolition/salvage register and enter page number in demolition statement. Necessary RV in weight (KG) shall be taken into account and attach with RAR/F Bill)

M&L for excavation in any type of soil through trenchless technology by HDD (Horizontal directional drilling method) including preparing and setting up the plant and equipment. Preparing new pipe work material including all related civil work and mechanical work like excavation, shoring/strutting etc drilling, stringing, reaming and pulling back the new HDPE and MS pipe work on the path alignment proper disposal of drilling fluid and ground penetrating radar survey to protect any exiting utilities at the pipe installation location restoration of site after completion all inclusive as per and STT IS No 2.3.2.2.2.2. second edition 2008 code of practice for trenchless technology suiting Indian condition for making horizontal bore of size upto 450mm dia suitable for HDPE pipe insertion under road crossing /hard standing and providing M&L of HDPE pipe of size 300 mm nominal dia of 28.3 mm minimum wall thickness of grade PE 80 for protection of MS pipe to any depth by manually or any means including jointing material complete all as specified and directed. NOTE: (a) M S Pipe will be measured and paid seperately. (b) Permission required from civil authority / department prior to excution of the work which is the contractor's responsibility and the cost for the same shall be deemed included under quoted unit rates of the item. (c) Cost of 300mm dia HDPE pipe of PE 80 quality shall be deemed included in quoted unit rate.

Ridhi engineers and builders (BID ID -3197435)

M/s Sree Baba Traders (BID ID -3194746)

Rahul Enterprises (BID ID -3191774)

HANUMAN BUILDERS (BID ID -3197179)