MAINTENANCE AND REPAIRS TO WATER SUPPLY PIPELINES, VALVES / VALVE CHAMBER FOR PUMP HOUSES AT AFS BIDAR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for taking out/for laying under ground pipes etc and getting out in soft/loose soil complete all as specified and as directed.

Returning filling in including spreading, levelling, watering and well ramming in layers n-exc 25 cms in soil complete all as specified and as directed.

Removing excavated soil to a distance n.exc 50m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed.

Taking up Ductile iron water mains 100mm dia (including all fittings), with spigot and socket ends and joints including disconnecting pipes and fittings complete all as specified and directed. Note : Excavation removal and RFR will be measured and paid separately under respective item.

All as per Item No. 4.00 here in before but 150mm dia

Supply, fix, test and commissioning of Ductile iron pipes 100mm dia with spigot and socket ends, centrifugally cast, class K-7, bearing ISI mark, in any length including jointing materials laid in trenches complete all as specified and directed Note : Excavation removal and RFR will be measured and paid separately under respective item.

All as per Item No 6.00 here in before but 150mm dia

Disconnection and removing the U/S gate valve 15mm dia and S & F Gun metal globe or gate valve 15mm dia with iron wheel head, screwed both ends for GI Pipe complete all as specified and directed.

All as per Item No 8.00 here in before but 20mm dia

All as per Item No 8.00 here in before but 25mm dia

All as per Item No 8.00 here in before but 50mm dia

Disconnection and removing the unserviceable Sluice Valve 80mm dia and S & F Sluice Valve 80mm dia PN 1.6, Non raising type, brass spindle with hand wheel head, screwed both ends for GI Pipe 80 mm dia, including jointing material, complete all as specified and directed.

All as per Item No 12.00 here in before but 100mm dia

All as per Item No 12.00 here in before but 150mm dia

Disconnection and removing the unserviceable/ broken Spindle Brass along with the check nuts & gate from the Sluice valve 80mm dia and M&L for New Spindle with Brass Check nuts including polishing, machining, threading & necessary lathe work complete all as specified and as directed

All as per Item No 15.00 here in before but 100mm dia

All as per Item No 15.00 here in before but 150mm dia

S & F DI specials such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch, "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 150mm bore complete all as specified and as directed.

Dismantling the existing u/s valve chamber alongwith unserviceable rusted MS sheet cover and M & L for pit masonary for valves constructed with inner dimensions of 1100 x 1100 x 900 mm suitable for sluice valves upto 150mm with PCC 1:4:8 type D2 for foundation laterite stone masonary wall in cm 1:6 and dressed to prper size, PCC 1:2:4 type B1 for coping rendering in CM 1:4, 15mm thick both side incl provision of MS sheet cover fabricated out of 3mm thick sheet with angle iron frame made out of 40mm x 40mm x 6mm and locking arrangement incl painting with two coats of synthetic enamel paint over a coat of red oxide primer, excavation and earth work complete all as specified and as directed .

Mr Madhusudhan Kotarki

Srinivash Engineers