PROVISION OF BOREWELL AND CONNECTED WORK FOR AUGMENTATION OF WATER SUPPLY AT MH PACHMARHI

Amount

Supply, lowering & testing 7 inch dia MS casing pipe (ERW) of standard length conforming to IS 4270, each length of pipe 6 m, both end threaded with & including one long socket duly welded, wall thickness not less than 4.8 mm welded at joints complete all as specified & directed.

Description same as per Item No. 2 but 7 inch dia MS casing (ERW) slotted pipe

S&F run lead joints for 80/100 mm bore CI pipe complete all as specified and as directed

Developing bore 7 inch wells including flushing out tree, roots, silt, fine sand by air compressor of suitable capacity not less than 450 CFM at 150 PSI & over pumping (25% extra capacity pump) to make water free from turbidity till clear water is obtained from bore wells complete all as specified & directed. and cleaning of bore wells with high air pressure until clear water comes out all as directed (Minimum four hrs). Note : 1. Development shall start immediately on boring. Pumping for minimum 8 hrs in two stages continuous 4 hrs with interval of 01 hr after 1st stage. 2. The upper limit for duration of development shall be the time technically required to give results of development as per ISS. 3. Nothing extra shall be paid on account of increase in numbers of pumping hours actually required at site in excess of minimum period as above.

Material and labour for Yield test for the bore well by continuously pumping for 16 hours to determine safe pumping yield complete all as specified and as directed. Note :- 1. Collection of water samples from borewell & getting them tested for chemical and bacteriological analysis from the Govt approved Lab. 2. Test on quality of water for drinking purpose. 3. Cost of water testing is deemed to be included in unit rate quoted by contractor.

S&F submersible pump set for tube well with submersible motor, water lubricated,electric driven, 3 phase, 440 volts, 50 Hz AC supply, head 50 metre and discharge capacity 12000 GPH (approx) , lowering, commisioning and testing complete all as specified and as directed.

S&F 6 sqmm, 3 core, flat multistranded copper conductor cable 1100 volt grade suitable for submersible pump set complete all as specified and directed. MAKE: HAVELLS Cat Part No WHPNDSKG36X0 or equivelent make and model of FINOLEX/PLAZA

S&F 65 mm dia GI pipe in column, heavy duty ISI marked in standard length dully threaded both ends with and including long threaded heavy duty socket complete all as specified and directed

Supply and fixing Mild steel chains with dia of links 10mm, for securing submerssible pump set, complete all as specified and as directed.

M&L for cutting the existing water supply line of 50/80/100 mm dia GI pipe from pump to Bldg and re-alignment of the pipe line to proposed OH tank including excavation, threading the existing pipe and all fitting as per site requirement to new pipe line and as directed by Engineer-in-charge.

Supplying and fixing/ laying of 50mm bore GI pipe medium grade in trenches/ under roads/ along pole/ wall including all fittings ISI marked & necessary clamps, nuts, bolts, etc as required for fixing/ holding of pipe complete all as specified and directed.

Supply and fix in repairs, gun-metal, globe or gate valves, ISI marked with iron wheel head, screwed both ends for iron pipe and fixed, for 50mm bore of pipe complete all as specified. Make:- Leader or Bombay Metal & Alloy Co. or Zoloto or NMC or Vardhman or BIR Jalandhar as approved by AGE(I).

Supplying and fixing/ laying of 80mm bore GI pipe medium grade in trenches/ under roads/ along pole/ wall including all fittings ISI marked & necessary clamps, nuts, bolts, etc as required for fixing/ holding of pipe as in cable protection complete all as specified and directed.

Supply and fix cast iron air release valve suitable for 80mm bore pipe having double orifice (ball chamber) of make as approved by AGE (I), conforming to IS-14845, flanged end including making flanged joints with & including minimum 3mm thick rubber sheet, nuts, bolts & including fixig complete all as specified and directed.

Supplying, fixing, connecting and testing Cast Iron body 80 mm dia Non Return valve (Reflux Valve), both ends flanged, ISI Marked and conforming to IS-5312 complete all as specified and directed.

Supply and fix cast iron sluice valve suitable for 100mm bore pipe, class PN-1.6 of make as approved by AGE (I),conforming to IS-14846, both end flanged with stainless steel spindle, GM nut & CI wheel including making flanged joints with & including minimum 3mm thick rubber sheet, nuts & bolts etc of suitable size complete all as specified and directed.

M&L for valve pit chamber of size (900mm x 900mm x 900mm) (internal dimention) with brick masonry valve chamber, 100mm thick PCC (1:4:8) type D2 as in foundation, 200mm thick brick wall built in CM (1:6), 50mm thick coping of PCC (1:3:6) type C1, 15mm thick plastering in CM (1:4) to all internal and exposed surface including necessary excavation and earth work in soft/loose soil, MS sheet cover 6mm thickness along with angle iron frame of size 40 x 40 x 5mm with locking arrangement with necessary fixing materials like hinges, nut, bolts etc (valve chamber cover shall be opened in two halves) and painting to MS cover with two coats of synthetic enamel paint over one coat of red oxide primer etc complete all as specified and directed.

Supply and laying or fixing or passing in trenches/ on pole/ through pipes, 1100 volts grade XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor of cross section area 35 sqmm, 4 core including jointing materials such as cable glands & lugs etc and testing on completion complete all as specified and directed. Make:- Havells or Finolex or Gloster or Plaza or Universal as approved by AGE(I). Note :- Excavation, earthwork, sand cushioning and cable protection will be measured and paid separately against relevant items of this Schedule

Supply & packing around the borewell casing/ribbed around, with pea gravel complete all as specified and directed by Engineer-in-Charge.

Supply and fixing well cap, made out of 5mm thick MS plate with provision of suitable holes for passing through two runs of flat three core PVC insulated industrial cable 6 sqmm for submersible pump and suitable for fixing 7 inch nominal bore ERW heavy duty MS casing pipe of 4.80mm wall thickness complete all as specified and as directed.

Material and labour for mild steel works such as MS plates, hooks,clamps or bracing supports for holding of column pipes, washers, nuts, bolts, wind tie, hold fast etc welding, bending, hot or cold, drilling holes for bolts, in any shape or size complete all as specified and as directed.

Excavation in trenches in soft/loose soil not exc 1.5 m wide and not exceding 1.5 m deep for taking out/laying of cable for LT 1100 V under ground cable complete all as specified and directed by Engineer-in-Charge

Returning, filling in excavated soil , including spreading, levelling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and spreading clean and dry fine sand free from sharp materials (unwashed) laying in trenches around the cable for cushioning in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed. (Note :- Punned thickness shall be measured.)

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 40mm bore GI pipe light grade including necessary fittings for protection of earthing strip, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm graded crushed stone aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm graded crushed stone aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm), 8 mesh per linear incl 50mm thick cover of RCC (1:2:4) type B-1 using 20mm graded crushed stone aggregate reinforced with 8mm dia TMT bars @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth strip alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised earth lead wire of 4 mm dia as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 15mm bore GI pipe light grade including necessary fittings for protection of earthing strip, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm graded crushed stone aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm graded crushed stone aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm), 8 mesh per linear incl 50mm thick cover of RCC (1:2:4) type B-1 using 20mm graded crushed stone aggregate reinforced with 8mm dia TMT bars @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth strip alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI earth lead wire and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

Supply and fixing of CI/DI fittings i.e. bends (any type, radius and angle), tapers any type (straight, bend increasing, decreasing or double socket etc), T- pieces single branch, 'Y' junciton double branch, cross (all sockets or socket and spigot), collars, caps and plugs etc suitable for & upto 150mm bore pipes complete all as specified and directed.

M/S Shanti Enterprises

Dev Enterprises

M/S Ramesh Chandra Agrawal

KANISHKA ENTERPRISES