Annual Rate Contract for Construction and Commissioning of 125 and 150mm dia tube wells in all type of strata in urban rural area under jurisdiction of PHED Dn Khandela Distt Sikar with three year Defect Libility period.

Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and 18:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (Part I & If) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary. for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water.

Nominal bore 125mm dia

Nominal Bore 150mm dia

Add 15% extra on depth more than 100 mtr for drilling beyond 100 mtr depth from ground level

Construction of tube well after completion of drilling by rotary method & upto 150 mtr. depth in all type of rocks by DTH system as per IS:2800 Part 1: 1991. and IS:2800 Part ii: 1979 (both amended upto date). and technical specifications. The work shall be deemed completed only. after obtaining. sand free water. The bore well should have a throughout nominal size bore beyond casing pipe..

Nominal bore 125mm dia

Nominal Bore 150mm dia

Add 15% extra on depth more than 150 mtr for drilling beyond 150 mtr depth from ground level

Labour charges for making slots on blank pipes made of ERW MS black pipe of following sizes, the-slotting should be as per IS: 8110-2000 or as amended up to date. 150mm dia Nominal bore

125 mm dia nominal bore of 4.8 mm thickness

150 mm dia nominal bore of 4.8 mm thickness

Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with erid plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2" (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top Plate nipple shall be provided with end plug.

125mm dia

150mm dia

S & F M. S. Clamp, set made of 50 x 6mm flat iron with nuts and bolts etc. for holding the riser pipe assembly of submersible pump set

Supply & Installation of single phase ISI marked submersible motor pump set of five star rating by BEE. and as per IS: 8034-2018 (pump) and IS 9283-2013 (motor) or as amended up to date of approved make of following duty condition with required accessories including making connection suitable for tube well/DCB. The job includes lowering of motor pump, installation of complete fitting & accessories, jointing of electrical cables up to switch board, testing of submersible pump set and interconnection up to water mains, complete in all respect. Above 2.0 KW

Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc.

3 core 4.0 sqm

Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per 1S:1255 including excavation of 30cmx75cem size trench, 25 cm thick under layer of sand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size.10sq mm 4 core

Providing & Lowering in tubewell ISI marked GI Pipe “B" (medium) jclass as per IS:1239. part 1 2004 or amended up to date, threaded and double flanged (welded) on both ends and. two number 25x3mm MS flat welded on both ends. between.pipe & flange, rubber washer & nut bolts etc. complete in all respect. 32 mm dia

Providing and Fixing of ISi marked PVC storage tank of following capacity as per IS: 12701-1989 (of approved make) with cover, 25 mm dia. I mtr long GI overflow pipe, 25 cm long 25 mm dia washout GI pipe with plug & socket, including P&F 32 mm dia Ball Cock (Float valve) IS 1703 marked with rod and PVC ball complete with brass weight I 000 gm, including P&F I 5mm dia Cl quarter tum heavy duty Bib Cocks four nos of s uperior quality and approved make, including interconnections complete job. 1000 lit capcity

1000 litres capacity

2000 litres capacity

Proving and fixing 32 mm dia Fullway valve or wheel valve as per IS:778 for ammended upto date of approved make on pump delivery pipe

Supply and Fixing of Electric feeder panel (having projected canopy)for submersible pump set Single phase upto 3 HP, comprising of DOL Starter, MCB, Indicating Light, Ammeter, Volt meter, connection plate, condensers of approved make and the panel enclosure should be made out from 18 guage M.S. Sheet with powder coating. Panel size Height 600 mm Width 500 mm depth 250 mm with Stand ( made of angle iron of size 35x35x5mm) duly bolted/screwed with enclosure box having 4 legs, each Each 7670.00 leg's length 18" and double door including in built locking system. The legs should be embedded in M-15 cement concrete platform.The size of CC platform should be equal or bigger than the base size of panel having height of at least 200 mm from ground level. The operation of panel should be suitable for on 240 Volt AC Supply.

Plate Earthing as per 18:3043 with G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm dia. G.I. 'B' class watering Pipe including all accessories like nut bolts, reducer nipple, wire meshed funnel, and C.C. finished chamber) covered with hinged type with locking arrangement CI. Cover, CI Frame of size 300mm x 300mm complete with alternate layers of salt and coke/charcoal, testing of earth resistance as required.

Supply of ERW MS. black casing pipe ISI marked IS: 1239(part 1: 2004) or amended up to date of following sizes 1 50 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m)

Providing supplying lowering & laying in standard lengths HDPE PE-80,PN 06 pipes conforming to IS-4984:1995 with necessary jointing material like mechanical connectors,i.e. thread/insert joint/quick release coupler joint/compression fitting joint or flanged joint and specials jointing pipe by electro fusion welding method,including all taxes(central and local) transportation and frieght charges,inspection charges,loading/unloading charges,stacking the same in closed shade duly protecting from sunrays(Tee,bend etc) satisfactory hydraulic testing etc complete as per technical specifications and direction of Engineer in charge(excluding earth work) supply up to 90mm dia coil & above 90mm dia straight length in 6 M) NOTE Providing and fixing of all requisite specials as per drawing design and layout are inclusive in RM measurement of the item and shall not be paid separately. supply upto 110mm dia in coil & above 110mm dia straight length in 6 M 75 MM

Fabrhiation & Fixing M.S. Stand of specified class of angle iron Lshaped of SO mm size with four legs grouted by 300*300*300 mm CC Block M-15 in the ground and all legs tied up with each other through same size of angle iron along with cross bars to support the bonom of I 000 Ltr./ 2000 Ltr. PVC tank complete in all respect.

Cement concrete flooring grade1:2:4(1-Cement:2-Coarsesand:4-graded stone aggregate) rounding offedgesetc.butexcluding the cost of nosing of steps etc. complete 40 mm thick with 20 mm thick nominal size aggregate