SPL REPAIRS FOR REPLACEMENT OF GI PIPE LINES FROM OTM-16,17,18 AND PH-13 AT NORTH ZONE UNDER GE (S) BINNAGURI

Amount

Taking up or down old unserviceable GI water mains and necessary connection complete all as directed by Engr-in-Charge for following size:-

(a) 15 mm dia bore

(b) 20 mm dia bore

(c) 25 mm dia bore

(d) 40 mm dia bore

(e) 50 mm dia bore

S&F Galvanised iron tube, medium grade, laid in trenches/ under floor including all fittings such as elbow, union, reducer, tee, bends etc. complete all as specified and directed for following size:-

(a) 15 mm dia bore

(b) 20 mm dia bore

(c) 25 mm dia bore

(d) 40 mm dia bore

(e) 50 mm dia bore

S&F Galvanised iron tube, medium grade, laying on wall/ floor/ceiling including all fittings such as elbow, union, reducer, tee, bends etc. complete all as specified and directed for following size:-

(a) 15 mm dia bore

(b) 20 mm dia bore

(c) 25 mm dia bore

(d) 40 mm dia bore

(e) 50 mm dia bore

S&F in repair Gun matel gate valve with iron wheel head screwed both ends for iron pipe for 50 mm bore, complete all as specified and as directed.

S&F in repair Gun matel gate valve with iron wheel head screwed both ends for iron pipe for 40 mm bore, complete all as specified and as directed.

S&F in repair Gun matel gate valve with iron wheel head screwed both ends for iron pipe for 25 mm bore, complete all as specified and as directed.

S&F in repair Gun matel gate valve with iron wheel head screwed both ends for iron pipe for 20 mm bore, complete all as specified and as directed.

S&F in repair Gun matel gate valve with iron wheel head screwed both ends for iron pipe for 15 mm bore, complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth and getting out in loose/soft soil for removing/laying of pipe line, complete all as specified and as directed.

Returning, filling in including spreading, leveling and well ramming in layers not exceeding 25 cm in soft/loose soil, complete all as specified and as directed.

Removing excavated soil/materials, not exceeding 50 meter and depositing where directed at a level not exceeding 1.5 meter above the starting point, complete all as specified and as directed.

Construction of brick masonary valve pit in repair of size 60x60x60 cm (Internal dimension) with one brick thick wall in CM (1:4) on 100 mm thick PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) as in foundation lean concrete PCC (1:3:6) type C1 (using 20 mm graded stone aggs) as in bedding and coping and 10 mm thick cement plaster in CM (1:4) internally and externally up to 15 cm below ground level providing valve pit cover made of 3 mm thick MS sheet welded with 40 x 40 x 6 mm angle iron frame all round the top fixed by means of 4 Nos hold fast 150 mm long made out of flat iron 40 x 60 mm embeded in PCC block (1:2:4) type B1 (20 mm graded crushed stone aggs)of size 230 x 200 x 100 mm including provision of hinges, welded with angle iron frame and MS cover, MS handle of suitable length, and size welded with MS cover and suitable locking arrangement with applying two coat of synthetic enamel paint over one coat of red oxide, zinc crome primer and necessary excavation and earth work in soft/ loose soil, complete all as specified and as directed.

M S S DASGUPTA

M/S. JAGDISH PRASAD AGARWALA

L. B. SHARMA

M/S East India Traders

P .BANERJEE AND CO

CENTRAL ENGINEERING WORKS