PROVISION OF BORE WELL NEAR PUMP HOUSE NO.1 IN DOMESTIC AREA AT AF STN MEMAURA

All as per item No.1 above but for depth exceeding 200 m upto 400m.

Supply, install / lowering submersible pump of capacity 20 HP, with SS Bowl and connected with 150 mm dia column pipe by means of SS flange and Connecting SS Nipple having dilfuser casing construction and impellers dynamically balanced rotor and pump shaft with impeller and motor suitable for operation on 3 phase 415 volts, complete set, head 55 to 70 Mtr, discharge range 800 to 900 LPM including cable guard cable as per manufacturer's recommendation etc complete all as specified and directed.

M&L for development of trial bore to be reamed by suitable size of bit to accommodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250 mm to 675 mm for 60 RM from ground level.

M&L for development of trial bore to be reamed by suitable size of bit to accommodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 60 m but not exceeding 200 m below ground level .

Extra on item no 3,4 & 5 here in before for reaming of bore in hard rock, if required Note :- Item will be operative only in hard rock is met as decided by AGE(I).

Supplying and assembling including jointing, lowering & fixing in position plain mild steel sheet casing (seamless) pipe 300mm bore of thickness 8 mm confirming to IS: 4270-2001, pipe jointed and welded with coupler rings, Welding shall be done through out the circumference of the pipe and coupler rings both sides all as specified and directed by the Engineer-in-Charge. Make of Pipe :Jindal/TATA/SAIL/PRAKASH SURYA.

All as per item No 7 above but Supplying and assembling including jointing, lowering & fixing in position plain mild steel sheet casing (seamless) pipe 200mm bore of thickness 8 mm confirming to IS: 4270-2001, pipe jointed and welded with coupler rings, Welding shall be done through out the circumference of the pipe and coupler rings both sides all as specified and directed.

All as per item No 7 here in before but Supplying and assembling including jointing, lowering & fixing in position ERW slotted mild steel sheet casing (seamless) pipe 200mm bore of thickness 8 mm confirming to IS: 4270-2001, pipe jointed and welded with coupler rings, Welding shall be done through out the circumference of the pipe and coupler rings both sides all as specified and directed.

S&F mild steel reducing socket 300mmx200mm including welding MS strip 4mm X 6mm (6 Nos) on each joint extended 100mm on each side all as specified and directed (The Wall thickness of the socket side shall not be less than 7.04mm)

M & L for Chemical and bacteriological testing of water sample from Govt / NABL approved laboratory to ensure potability of water complete all as specified & directed.

Supply & packing of pea gravel 3mm to 5mm size as per IS of natural shape brought directly from river bed and packing around the casing pipe/slotted pipe in the bore well to entire depth upto ground level complete all as specified & directed

Electric logging in pilot bore for precise delineation of granular zones as also the quality of ground water including report interpretation complete all as specified & directed Note:- Electric logging shall be carried out by any approved Govt Agency.

M&L for development of tubewell by means of over puming high velocity with 600 PSI Air compressor all as per IS 8110-2000 para 3.4 complete all as specified & directed.

All as per item No 14 above but by means of over pumping for subsequent hours until clear discharge as per clause 9.3 of IS 2800 (Part-1)-2009 complete all as specified and directed. Note:- Overpumping will be carried out by pumping the well at higher capacity not less 25% extra above the yield of well.

Yield testing of the tube well as specified and directed to determine the safe pumping capacity of tube well by continously pumping for 16 hrs . Note:- Cost of pumping for yield test is included in item No. 13

S&F polypropelene rope 28 mm dia, ISI marked, heavy duty grade for holding the submersible motor complete all as specified and directed.

Supply & lowering 150 mm dia heavy grade MS ERW pipe with flange End including all fittings and fixtures complete all as specified & directed.

Supply & Fixing of MS well cap of 300 mm nom bore of pipe at the top of casing pipe of bore well with locking arrangement complete all as specified and directed.

Supply & Fixing of MS bail plug suitable for 200mm nominal bore MS pipe including its fixing arrangements complete all as specified and directed.

S&F 2 Nos MS flat iron 150mmx16mm thick size clamp for holding with 300mm bore housing pipe including casting of PCC block of size 1200mmx1000mmx1000mm in PCC (1:2:4) type B-1 using 20mm graded stone aggregate including 150mm bore MS pipe 2 Nos each, 1.5 metre long with cap plug and cap top for feeding pea gravel for each bore well as specified and directed.

Supply and fixing of GI air valve of 25 mm dia bore with required length of GI pipes, clamps etc complete all as specified and directed.

S&F of pressure gauge 0 to 10 Kg/cm2 range with necessary siphon and 15 mm dia stop valve including 15 mm dia GI pipe, not exceeding 0.25 Mtr in length, 15 mm brass bib cock on rising main including drilling tapping on GI /DI pipe line complete all as specified and directed.

M&L for strata sample (at every 3 meters depth) one set in suitable box pattern, earth sample strata should be produced as per IS and submitted to the department. The box shall be 2nd class hard wood with suitable locking arrangement etc complete all as specified and directed.

M&L for borewell chart on acrylic sheet of size 60 cm x 30 cm duly marked permanent marking including 12 mm thick plywood frame, clamps for fixing on wall etc all as specified and directed.

Supply, fixing and testing cast iron sluice valve class PN 1.6 heavy duty ISI marked, both ends flanged with brass spindle of size 150 mm complete all as specified and directed.

Supply, fixing & testing cast iron Non return Valve class heavy duty ISI marked, both ends flanged of size 150mm including fitting for connecting the line complete all as specified and directed.

Excavation in trenches not exc 1.5 wide and n.exc 1.5m depth for taking out of old pipe line/laying of new pipe line all as specified and as directed in hard/dense soil complete all as specified and direc

Returning filling in including spreading , levelling , watering and well ramming in layer n.exc 25cm thick in hard/dense soil complete all as specified and directed.

Removing excavated soil to a distance n.exc 50 mtr and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.

Supply, laying, jointing and testing of ductile iron (DI) of 150 mm bore, pressure pipes with spigot and socket ends, centrifugally cast class K-9 , with cement mortar lining in inner side as per IS 8329 and other relevant standards followed by a finishing layer of epoxy paint in outer side, suitable for push on joint ( rubber gasket joint ) in any length with inside cement mortar lining including tyton rubber push on joint laid in trenches/open complete with DI fittings any type all as specified and directed.

M & L Cutting existing water main GI/CI pipe upto 150 mm bore in position for insertion inserting Tee ot for branch connection complete all as specified and directed.

Supplying ,Laying, jointing and testing new XLPE insulated, armoured, heavy duty, aluminum conductor cable 1100 volts grade ,laid in trenches/ducts, floors, fixed to walls etc. complete all as specified and directed of size 4 core 25 sqmm

Supply and fixing chain pully block, triple spur gear, 2 ton capacity with 3 mtr lift, manually operated completed with hooks high tensile forged steel confirming to IS : 3815 and load confirming to IS: 6216 and hand chain to IS: 2429 (Part-I) complete all as specifiedand directed.

M & L for earthing complete with galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm thick burried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metre below normal ground level connected to galvanised iron earth strip 25×4mm as earthing lead by means of steel bolts, nuts, check nuts and washers all as shown in electrical plate No 3 of MES Schedule Part-I connected to earthing point and testing on completion with and including 40 mm bore light grade GI protection pipe (upto 7.5 metre beyond earth pit) PCC pit in mix 1:3:6 type C1 with RCC 1:2:4, type B-1, 40 mm thick cover reinforced with 6 mm dia MS bars 3 nos both ways with lifting hook made out of 6 mm dia bar, watering arrangement with funnel and wire mesh and 20 mm bore medium grade GI watering pipe, common salt and charcoal filling, necessary excavation and earth work complete complete all as specified and as directed.

M & L for construction of brick masonry valve pits with sub-class 'B' brick built in cement mortar (1:6) of size 1200 x 1200 x 1200 mm (internal dimension) with one brick walling and 150 cm x150 cm x 10 cm base foudation with PCC 1:3:6 rendering cement plastering 10 mm thick with cement mortar (1:4) on internal & exposed surfaces, including MS cover of size 01 mtr x 01 mtr made out from 3 mm thick MS sheet including 50 x 50 x 6 mm angle iron framing on MS cover as well as on top wall of the valve pit & painting of the MS cover with two coat of synthetic enamel paint over a coat of red oxide primer including necessary earth work complete all as specified and as directed.

Supply & laying GI steel tubing of 40 mm bore dia light grade with one socket both end threaded in any length including cutting threading and all type of GI new fittings for laid in trenches/air/wall complete all as specified and directed.

Supply and fixing PVC insulated and PVC sheathed multi stranded copper conductor cable for submersible pump set, ISI marked, conforming to IS-864 of size 3 core 16 Sqmm, 1100 volts grade, including necessary water proof connection to submersible pump at cable lead complete all as specified and directed.

Rough excavation not exceeding 1.5m deep and getting out in soft/loose of soil and forming embankment including raising (or lowering) earth spreading in layers n exc 30cm thick, watering, ramming, rolling and finishing to reuired size, shape n exc 1.5m high from base and removing excavated material exc 1.5 Km upto distance of 5 Km and depositing where directed complete all as specified and directed . Note :- Contractor will brought soil for filling at site from outside MoD land under own arrangement agencies for earth obtained deemed to be included in rates quoted by the contractor.

M&L broken bricks hardcore of gauge 63 mm deposited spread and levelled in layers n exc 15 cm thick watered and rammed to a true surface complete all as specified & directed.

M&L for 75 mm thick cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate as in sub base of floor etc complete all as specified & Directed.

M&L for 25 mm thick cement concrete 1:2:4 type B0 using 12.5 mm graded stone aggregate as in sub base of floor etc complete all as specified & Directed.

M&L Brickwork with fly ash bricks (old size brick), straight or curved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L rendering 15 mm thick on fair faces of brick work or concrete surface in CM (1:4) finished even and smooth (without using extra cement) complete all as specified and directed.

M&L preparing of new plastered surface of walls and applying two coats of cement base paint complete all as specified and directed.

M&L for form work to sides for concrete foundations, footings, bases of columns, raft & raft beams sides and soffits (if any) of foundation and plinth beams and similar work vertical or to batterd, rough finished surfaces of concrete complete all as specified and directed.

M&L for RCC M-25 (design mix) (using 20mm graded stone aggregate) in foundations, including rafts, footings, foundation beams, plinth beams; bases for columns etc; basement slabs under - reamed piles and mass concrete all as specified and directed

M&L for form work to sides of pillars, posts, struts, piers, columns and stachions, square, rectangular or polygonal rough finished surface of concrete etc. complete all as specified and directed.

M&L for RCC M-25 (design mix) (using 20 mm graded stone aggregate) in Columns, pillars, piers, posts and struts all as specified and directed.

Excavation in trenches not exc 1.5 wide and n.exc 1.5m depth for foundations,etc, or shafts,wells,cesspits,manholes,pier holes,etc. n exc. 10 sqm on plan and getting out in soft/loose soil complete all as specified and directed.

M&L PCC 1:4:8 type D2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete all as specified and directed.

M&L for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping columns hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips etc complete all as specified and directed.

All as per Item No. 54 above but 5 mm and over upto and including 10 mm dia in stirrups, spacers and binders complete all as specified and directed.

S&F steel work in joist, channel, angle, or tee sections of grade FE 410W (Gde E-250) quality-B , fixed independently, without connection plates, etc cut to length i.e (within 20mm of the length indicated) complete all as specified and directed

M&L for development of trial bore to be reamed by suitable size of bit to accommodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 200 m but not exceeding 300 m below ground level .