SPL REPAIRS M AND O FOR REPLACEMENT OF OLD RUSTED CI AND GI WATER SUPPLY LINES AND CONVERSION OF LT OH LINES UNDER GE (NORTH) BANGALORE

Amount

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and not exc 1.5mtr in depth ; for foundation, laying of pipeline, cables etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5m in depth complete all as directed.

Returning, filling in, including spreading, leveling, watering and well ramming soil in layers not exc 25 cm thick complete all as directed.

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

Taking up or down old CI/DI water mains up to 100mm dia (including all fittings), with spigot and socket ends and lead joints/tyton joint complete all as directed. Note: Earth work shall be measured and paid seperately under relevant item.

DI pipe of 100mm bore with spigot and socket ends cast class K-9 conforming to IS-8329 with inside surface of centrifugally cast cement mortar lined including rubber gasket joint laid in trenches complete all as directed. Note: Rubber gasket(Push On) for joints shall be of same make as that of DI pipe having two sections of diffrent hardness.

DI fittings for spigot and socket pipes such as bends (any type, radius and angle), Tapers any type (straight, bend, increasing, decresing or double socket etc) Tee pieces single branch, 'Y' junction double branch, cross (all socket or socket & spigot), collars, caps and plugs for jointing upto 150mm bore pipe including jointing material complete all as directed

Taking up the following old unserviceable GI pipes from treches/wall :-

(a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

GI water tubing medium grade with all fitting laid in trenches/walls of following sizes

(a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

Gun metal, globe or gate valves, with iron wheel head.screwed both ends for iron pipe and fixed after taking out old /rusted off of the 50 mm bore complete all as directed .

Gun metal, globe or gate valves,with iron wheel head screwed both ends for iron pipe and fixed after taking out old /rusted off of the 40 mm bore complete all as directed .

Gun metal,globe or gate valves,with iron wheel head screwed both ends for iron pipe and fixed after taking out old /rusted off of the 25 mm bore complete all as directed .

Cutting cast iron pipe and reducing to required length before laying in position for insertion of new tees, branches etc (Note:- earth work shall be measured and paid separetely) complete all as directed .

Cast iron heavy duty sluice valve conforming to IS-780 class PN 1.6, ISI marked, with flanged end and drill hole with non raising high tensile stainless steel spindle and iron wheel,long service life and leak-tightness even after 1000 open/close cycles complete including suitable flanged joints with suitable bolt, nuts, washers and rubber insertion packing 6mm thick etc complete testing after installation of sluice valve complete as in repair all as directed suitable for following bore of pipe

(a) 100 mm bore

(b) 80 mm bore

Construction of block masonary valve chamber of inner dimentions 0.75 m X0.75 m X1.00m with 20 cm thick precast cement block masonry with solid blocks grade C-5 in cement mortar 1:6, PCC base in 1:3:6 type C1 using 20mm graded crushed stone aggregate of 7.5cm thick, plastering 15mm thick in CM 1:4 both inner & outer face of block masonary, 7.5 cm thick PCC 1:2:4 type B1 (using 20mm graded crushed stone aggregate) copping, angle iron frame 40x40x6 mm size with 3 mm thick MS sheet chamber cover single opening arragnment with lock system, all as directed including painting the steel surface with two coats of first quality synthetic enamel paint over a coat of red oxide primer after necessary preparation of surface complete all as directed.

Taking down ACSR conductors any size/type without any damage to existing pole complete all as directed.

Dismantling Cross - arms of MS channel or angle section support, nuts and bolts, clamps, Anticlimbs device, danger notice board etc without any damage to existing pole complete all as directed.

Taking down earth wire 4 mm dia.complete all as directed.

Dismantling of insulators any type and size without any damage to existing pole complete all as directed.

MCCB 4 pole 415 volts 350 Amps 36 KA, adjustable type including lugs, cable gland and complete accessories as per site requirement complete all as directed

Supply, laying, jointing, commissioning and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armouned power cables (heavy duty) with aluminium conductor, 1100 volts grade, cross sectional area 240 Sqmm, 3.5 core laid in trenches including cable lugs and gland complete all as directed

Sand cushioning to under ground cable in layers (8 cm before laying the cable and 15 cm after laying the cable) in trenches for cable protection complete all as directed. Note : Punned / completed thickness shall be measure for payment purpose.

Sub class B,with designation 75, burnt clay bricks for cable protection complete all as directed.

Horizontal trenchless bore drilling using mechanical pneumatic drilling using mechanical pneuumatic drilling equipment for passing and including cost of HDPE pipe of 100 mm dia suitable for 0.4 mpa working pressure under road/pavement/hard standing, depth ram gel not less than 0.75m and up to 1.0 m and making good to disturbed surface of road all as directed. Note: unit rate deemed to be include cost of deposit and taking permission from civil authorities.

Auromirra Enterprises

K. VENKATESH NAIDU

PRAGATHI BUILDERS

Gee Kay Projects