Connecting main at Infiltration well

Amount

CONNECTING MAIN Supply and delivery of the following sizes of DI class PN 10 Flanged pipes as per IS 8329/2000 and as amended from time to time with ISI marking including labour charges for loading, unloading and stacking at site etc and as directed by Twad Board Officers P.NO . 40

200mm x 3m DI D/F standard pipes

200mmx2.00m DI D/ F standard pipes

200mmx1.00m DI D/ F standard pipes

Supply, delivery of the following size of DI D/F specials for Standard and non standard pipes as per IS 8329/2000 SOR 2024-25, P - 40, WD - M0786

200mm DI D/F 90 Deg. Bend (Heavy)

200mm DI D/F Duck foot Bend (Heavy)

Supply and delivery of MS Clampsets to suit 20mm dia and 250mm dia of DI D/F Pipe and 150 mm dia of cable encasing pipe with flat of size 75 mm x6 mm and angle of size 75x 75 x 6 mm for a length of 1.35 m and clamps with flat of size 75 x 6 mm for holding anchorage pipes - 2 Nos of 80 mm dia GI Pipe including painting with epoxy paint, cost of bolts and nuts and conveyance charges to site of work including labour charges for fixing the clampsets in suitable gradient with 250mm/ 200mm dia of DI D/F pipe and 150 mm dia of cable casing pipe and fixing the clampsets with 80 mm GI pipes drilled on either side of pipe etc. complete and as directed by the TWAD Board Officers.

Suitable for 200mm dia DI D/F pipe and 150mm PVC-CS casing pipe for cable. Vide Separate sheet

Supply and delivery of 80mm GI Pipe Medium as per IS 1239/part I/2004 for anchorage arrangements for connecting main and cable encasing pipes from infiltration wells to river bund. SOR 2024-25, P-27, VOL -II , WD - M0491

Supply and delivery of 25 sqmm 3 core aluminium cable (for six infiltration wells) TWAD SOR PG 140

Supply and delivery of 10 HP air brake auto transforner starter suitable for 10 HP motor confirming to IS 8544 part IV and as amended therafter for operation in AC three phase 50 Hz (+/-5%), 415V (+/-10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay,contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank filling of oil etc.

Earthwork excavation above water level in light or sandy soil for pipeline as anchorage arrangement pipeline and connected works including refilling complete and as directed by the TWAD Officers. SOR 2024-25 , P - 156 , VOL -II

200 mm dia D.I. Double flanged pipes and specials - WD-W0198

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers. SOR 2024-25, P - 161 -WD-W0248

200 mm dia D.I Double flanged pipes and specials

Jointing the D.I Double flanged pipes and specials with rubber insertion towith IS 638(1979) and M.S. bolts and nuts of IS 1364-1(2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour chargesetc., complete. SOR 2024-25, P - 165,VOL -II , WD -W0327

200 mm dia D.I Double flanged pipes and specials

Laying the above cable into the trenches below G.L between starter to motor erected in the infiltraiton well.

Jointing the cable inside the ground, inside the trenches and open

Labour charges for putting bore holes of size 3" to 4" in river bed in sandy and other loose soils using hand boresets including the cost of hire charges, conveyance charges of hand boring sets, collection of soil sample , insertion of 80mm dia GI pipes etc., as directed by the TWAD Board Officers.Page 229

PCC 1:2:4 ( One cement, Two sand and four coarse aggregate)using 20mm HBG stone for putting into the anchorage pipe of 80 mm GI Pipe drilled on either side on connecting main etc complete and as directed by TWAD Board officers