Construction of Flow Irrigation Scheme Khandip Nallah to Sumnam, Tandi Marbal etc in GP Tandi Distt. Lahual Spiti

Amount

Cutting in earth work in all kind of soil such as pick work, jumber work, blasting work in soft / hard rock or chiselling /wedging out soft / hard rock where blasting is prohibited and disposal of all surplus excavated earth in all lead & lifts complete as per the direction of Engineer-in charge.

P/J Work )50% each)

Excavation in foundation and trenches (For pipes and pits) up to all depths and in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out of water, blasting soft / hard rock or chiselling /wedging out of soft/hard rock , where blasting is prohibited, in all lifts including trimming and dressing of sides, levelling of beds to correct grade including shoring, strutting , planking, timbering and dewatering where ever required. Stacking usable and unusable material/soil seperataly and after laying, jointing and testing of pipes, returning the usable soil in 15cm layers for back filling including consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads/ lifts including restoration of unmetalled surfaces to its original condition and including cost of diversion for traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respect within all leads and lifts as per direction of the Engineer-in-charge.

P/J Work )50% each)

Providing and laying cement concrete 1:3:6(1cement:3 sand:6 graded stone agg.40mm nominal size)and curing complete excluding cost of form work in foundation and plinth in all leads and lifts as per direction of the Engineer-in-charge.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring,shuttering ,strutting and propping etc.with wooden battens and ballies height of propping and centring below supporting floor to ceiling in all heights and removal of the same for in situ reinforced concrete and plain concrete work in:-

Flat surfaces such as soffits of suspended floors,roofs,landings and the like floors etc.upto 200mm in thickness in all leads and lifts.

vertical surface such as walls (any thickness ) partitions and the like including attached pillasters buttress , plinth and string courses and the like with in all leads and lifts as per the direction of Engineer-in- charge.

Edge wall of slab

Providing and RCC work smooth finihing of the exposed with cement mortor 1:3 (1 cement :3 sand) in all leads and lifts as per direction of the Engineer-in-charge.

Providing tor steel reinforcement for RCC work including bending,binding and placing in position compete upto floor two level including cost of binding wire in all leads and lifts as per direction of the Engineer-in-charge.

Providing and laying in trenches GMS/MS Tubes (M class) tube fitting (Earth work in treanch to be measured & paid separatly) in all leads and lifts as per direction of the Engineer-in-charge.

Scour pipe 150mm

Providing and fixing Cast Iron Double Flanged Sluice Valves of Leader/Kirloskar make, conforming IS: 14846 with drop forged stainless steel spindle with G.M. working parts PN 1.6 ISI mark as per the direction of Engineer-in-charge.

150 mm dia.

Providing, Laying , jointing and commissioning of HDPE (High density polyethlene pipe) of following diametre and class confirming to IS 4984 2016 (latest) with fusion welding process including all necessary fitting and bends in all leads and lifts to the entire satisfaction of Engineer-in- charge ( Earth work in trenches to be measured & paid for separately)(Through Rate)

From RD 2500 to RD 3700, 355mm OD Grade PE-80 , pressure rating PN-12.5

Providing & laying cement concrete 1:4:8(1cement :4sand : 8graded stone aggregate 40 mm nominal size) and curing complete excluding cost of form work in foundation and plinth complete in all respect within all leads and lifts as per direction of the Engineer-in-charge.

Providing & Laying cement concrete 1:1.5: 3 ( 1 cement : 1.5 sand : 3 graded stone aggregate 20mm nominal size) and curing complete i/c cost of form work & reinforcement for reinforced concrete work in:-

Foundation & Plinth complete footing, bases of columns & mass concrete complete in all respect within all leads and lifts as per direction of the Engineer-in-charge.

Walls (any thickness but not exceeding 0.1 metre thickness) including attached pilasters, butresses, plinth and string concrete etc. from top of foundation level upto floor two level with in all leads and lifts as per the direction of Engineer-in-Charge.

Suspended Floor roofs, landing and shelves and their support balconies,beams,girders,bressumers and cantilever upto floor twolevel l i/c MH cover slab.

Providing and laying cement concrete 1:6:12(1cement:6 sand:12 graded stone agg.40mm nominal size)and curing complete excluding cost of form work in foundation and plinth in all leads and lifts as per direction of the Engineer-in-charge.

Random rubble masonary/Polygonal rubble masonary (coursed or brought to courses with hard stones of approved quality in foundation and plinth including levelling up with cement concrete 1:6:12 in cement mortar 1:6complete in all respects within all leads and lifts as per direction of the Engineer-in-charge.

Construction of dry rubble masonry in breast wall, retaining wall, revetment walls and parapet etc. in all leads and lifts as per direction of the Engineer-in-charge.

Providing & fixing SFRC Manhole cover with frame having frame size of 560mm internal dia. should not be less than 100 Kg including all lead and lifts as per the direction of Engineer in Charge.

Providing and fixing C.I D/F Sluice Valves of Leader/Kirloskar make, conforming IS: 14846 with drop forged stainless steel spinde with G.M. working parts PN 1.6 ISI mark as per the direction of Engineer-in-charge. (200mm dia)

Providing, welding & fixing of MS Flange with HDPE pipe (with suitable stubs, welded with HDPE Pipe) at suitable reaches conforming to table 5 dia, 355mm material gradeand pressure rating & its jointing with fussion welding nut, bolts of required size & 3mm thick compressred asbestos BIS codes complete flange joints with in all lead & lifts

Providing, welding & fixing of MS Flange with HDPE pipe at suitable reaches conforming to table 5 dia, 250mm material gradeand pressure rating & its jointing with fussion welding nut, bolts of required size & 3mm thick compressred asbestos BIS codes complete flange joints with in all lead & lifts.

Providing , welding & fixing of MS flange with HDPE tee at suitable reaches conforming to table 5 dia. 355 mm equal size material grade and pressure rating & its jointing with fussion welding nut, bolts of required size & 3mm thick compressred asbestos fibre gasket conforming to relevent BIS codes complete flange joints with in all lead & lifts

JANGBO

Chhering