Public Health Engineering Department Tender

Add 15% extra on above item (Item No 2.4.1 to 2.4.2) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes

200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m)

Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985.

200 mm dia nominal bore of 5.4mm thickness

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 Sq.mm

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 end 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.

200 mm dia

Providing & Lowering in tube well ISI marked HDPE pipe as per IS 4984:1995 or amended up to date in PE 80 grade and class PN 10 of following dia. including HDPE/GI fittings and PVC rope confirming to IS 5175:1992 or amended up to date, along with clamping of submersible cable etc. complete in all respect.

50 mm dia

Providing Laying Jointing of Pipeline

Providing, lowering, laying and jointing in trenches,  standard lengths HDPE ISI marked Pipes as per IS-4984: 1995 (amended up to date) 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 , transportation and freight charges, inspection charges, loading/ unloading charges, stacking of pipes, including cost of labour and material, specials (Tee, bend etc.), satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of Engineer-in-charge of following class and diameter. (excluding earth work) . 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 may be in coil or straight length in 6 M/12 M.

HDPE PE-80 PN-10

110 mm dia

Providing, lowering, laying, aligning, fixing in position in pipe line, manually operated DI D/F Resilient (Soft) seated Gate Valve EPDM Coated DI wedge 100% vaccum light, flange Dimention IS: 14846, of approved make PN 1.6 class and CI Tail Piece- 2 Nos. (IS: 5531- 1988- amended up to date- For CI Plane Ended Specials) of same size of following dia complete including all material like Instren Rubber Sheet of thickness- 6.00 mm (ISI Mark)- For Rubber Sheet), MS Nut Bolts (IS: 1363 Part I-1984- amended up to date), CI Detachable Joint (IS: 8794- 1988 amended up to date), labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer. (Nominal Dia. in mm)

Soft seated sluice valves

Dia (mm) PN rating

Manually Operated Resilient Seated Sluice Valves of Class PN 1.6

100 mm dia

Earth work in excavatin by mechanical means (Hydraulic Excavator) manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets,and dressing of sides,ramming of buttoms.depth up to 1.5 mtr. including taking out the excavated soil, and than returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead od 50 mtr. including required all safety provisiond etc.

All kinds of soil.

Earth work in excavatin by mechanical means (Hydraulic Excavator) manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets,and dressing of sides,ramming of buttoms.depth up to 1.5 mtr. including taking out the excavated soil, and than returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layer by ramming, watering etc. and stacking serviceable material for measurements and disposal of unserviceable material as directed, with in a lead of 50mtr. including alll safety provisions required.

Ordinary Rock