REPAIR OF PIPE LINES FROM PUMP HOUSES TO OHT/UG SUMPS AND OTHER AREA UNDER GE (AF) SRINAGAR

Amount

Excavation in trenches n.exc 1.50 metre wide and n.exc 1.50 metre in depth for foundation etc or shafts, wells cesspits, manholes, pier holes etc n.exc 10 sqm on plan and getting out in soft / loose soil all as specified and directed by Engineer-in-Charge. Note:- Manual excavation would be carried out at some places, utility services should not be adversely affected on account of that.

Returning filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm thick using excavated soil complete all as specified and directed by Engineer-in-Charge.

Removing the excavated materials not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point all as directed by Engineer-in-Charge

Taking out from trenches 150 mm bore cast iron flanged type water pipe line including all fittings disconnecting pipes and fitting complete all as directed by Engr-in-Charge Note :- Excavation and earth work will be measured and paid separately.

Supply, lay, jointing and testing 150 mm bore cast iron pipes with flanged ends centrifugally cast class A pressure pipe for water line, laid in trenches in proper alignment complete all as specified & directed by Engineer-in-Charge.

Note :- (i) Excavation and earth work will be measured and paid separately. (ii) Flanged jointing will be measured and paid separately. (iii) cast iron fittings will be measured and paid separately.

M&L for flanged joint for 150 mm bore cast iron pipe with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge.

M&L for cast iron fittings for flanged pipes of any type of bends, tapers, tee pieces (single and double branch ) any type and angle / radius and connecting pieces but all ends flanged complete all as directed by Engr-in-Charge. Note :-Flanged jointing will be measured and paid separately.

M&L for cutting the existing road / hard standing surfaces to a depth 250 mm thick and 550 mm wide and making good the same with and including 100 mm thick PCC 1:2:4 type B2 using 40 mm graded stone aggregate over 150 mm thick PCC 1:4:8 type D2 and finished even and fair without using extra cement including disposal of debries complete all as directed by Engineer in charge.

Supply and fix in repair 150 mm size cast iron suction foot valve ISI marked, with flanged end, connected to existing pipe with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge.

Supply and fix in repair 100 mm size cast iron sluice valve, long body type of pressure rating PN-1.6 with stainless steel spindle, both end flanged, ISI marked, confirming to IS-14846, connecting to existing pipe line with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge. complete.

Supply and fix in repair 150 mm size cast iron sluice valve, long body type of pressure rating PN-1.6 with stainless steel spindle, both end flanged, ISI marked, confirming to IS-14846, connecting to existing pipe line with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge. complete.

Supply and fix in repair 150 mm size cast iron non return valve, both end flanged, pressure rating PN-1.6, ISI marked, confirming to IS- 5312, connecting to existing pipe line with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge. complete.

Supply and fix in repair 150 mm size cast iron Air valve, heavy duty, flanged end, ISI marked, connecting to existing pipe line with and including rubber or fiber board gasket & nut bolt complete all as specified and as directed by Engineer-in-Charge.

Material and labour for construction of valve chamber of size 750 x 750 x 900 mm deep, (Over all internal dimension) for sluice valve etc. with PCC foundation, PCC block masonry walls, Plastering, PCC Coping, white washing, mild steel chamber cover, painting to chamber cover including demolition of old valve chamber complete all as specified below:-

(i) Cement concrete for foundation (1:4:8) type D2 using 40mm graded stone aggregate 150 mm thick extended up to 150 mm beyond the outer face of block masonry.

(ii) Walls of valve chamber 230 mm thick with sub class B brick (old size), set in CM 1:4 complete.

(iii) Internal and exposed surfaces of valve chamber both concrete and block masonry surface shall be plastered with CM (1:4), 15 mm thick finished even and smooth.

(iv) 50 mm thick coping in PCC 1:3:6 type C1 over block masonry wall.

(v) Entire plastered surfaces shall be treated with 3 coat of white wash.

(vi) Chamber cover shall be of 3 mm thick MS sheet with 30 x 30 x 5 mm size angle iron frame with hold fast and locking arrangement. steel surface shall be painted with two coats of synthetic paint of first quality over one coat of red oxide primer.

G N Constructions

M/S MIR AND CO