Construction of RCC Water Tank including drawing pipeline for Rooftop Rain water harvesting at NEEPCO VIP Complex, Laitkor,Shillong.

Amount

Earthwork in excavation by manual means up to a depth of 2m below the existing ground level for foundation trenches of foundations, footings of column/ walls,retaining walls,septic tank etc.including bailing out water where necessary and removal of surplus earth with all lead and lifts as directed and specified for the following classification of soils. a) All kinds of soil (Ordinary soil/hard soil/ dense soil)

Providing soling with stone/ best quality picked jhama brick,sand packed and laid to level and in panel after preparing the subgrade as directed including all labour and materials and if necessary dewatering, complete. (b) Stone soiling (i) 100mm

Plain cement concrete works in foundation bed for footing steps, walls, brick works etc. below plinth level as directed and specified including dewatering if necessary, and curing complete (shuttering where necessary shall be measured and paid separately). c) 1:2:4 (1 Cement: 2 Coarse sand: 4 Graded stone aggregate 20mm nominal size)

Supplying, fitting and fixing in position reinforcement bars up to 1st floor level, conforming to relevant I.S.code for R.C.C. work/ R.B.Wailling including straightening, cleaning, cutting and bending with 20 G annealed black wire and placing in position with proper blocks, support, chairs, spacers etc. complete.( Rates inclusive of all wastage, lappage, hooks, chairs, anchorage etc. and no measurement for same is required)

SHUTTERING/FORMWORK Centering and shuttering including strutting,propping etc.and removal of form for all heights complete and as directed by Engineer in charge.Foundation,footings,bases of columns, etc.for mass concrete (using steel)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, fillets, coloumns, pillars, posts and struts etc.above plinth level up to first floor level, excluding cost of centering, shuttering, finishing and reinforcement. a )M15 or Prop.1:2:4 ( 1 Cement:2 coarse sand: 4 graded stone aggregate 20mm nominal size)

12 mm cement plaster finished with a floating coat of neat cement of mix: (a) 1:3 (1 cement: 3 fine sand)

Providing and applying intergral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basements, water tanks, roof slabs, podiums, resrvoir, sewage & water treatment plant, tunnels/ subway and bridge deck etc., prepared by mixing in the ratio of 5:2 (5 parts integral crystalline slurrry: 2 parts water) for vertical surfaces and 3:1 (3 parts integral crystalline slurry: 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fibre brush.The material shall meet the requirements as specified in ACI-212-3R-2010 i.e. by reducing permeability of concrete by more than 90%, compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline admixture shall be capable of self-healing of cracks up to a width of 0.50 mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in-Charge. The product performance shall carry guarantee for 10 years against any leakage. a)For vertical surface two coats @ 0.70 kg/sqm

For horizontal surface two coats @ 1.10kg/sqm

Providing M.S. foot rests including fixing in manholes with 20x20x10 cm cement concrete blocks 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 20 mm nominal size) as per standard design: a)With 20x20 mm square bar

Supplying and fixing C.I cover without frame for manholes: (a) 455x610 mm rectangular C.I cover (light duty) the weight of the cover to be not less than 23 kg

Providing and fixing 15 cm wide, 45 cm overall semi-circular plain G.S sheet gutter with iron brackets 40x3 mm size, bolts, nuts and washers, etc., including making necessary connections with rain water pipes complete. A) 0.80 mm thick with zinc coating not less than 275 gm/sqm

Supplying, fitting and fixing PVC pipes/ bends/ Junctions etc of Supreme/Prince or other ISI approved make, including joining, fitting and fixing with clampsetc. As necessary complete at all levels including below GL as directed and specified. PVC pipes of 6 kg/cm2 as directed and specified. B) 110mm dia

45 degree PVC bend as directed and specified. A) In exposed surface or in trenches. ii) 110mm dia

PVC plain cross T with door as directed and specified. A) In exposed surface or in trenches. i) 110mm dia

PVC coupler as directed and specified. A) In exposed surface or in trenches. i) 110mm dia

Earthwork in filling (excluding rock) in trenches,plinth,sides of foundation etc in layers not exceeding 20 cm thick including breaking of clods,consolidating each layer by ramming and watering, lead up to 50m and lift up to 1.5m a) With available excavated earth

Disposal of surplus earth/unserviceable materials from the work site including loading and unloading complete as directed. a) First 5km

M/s S.K. Deepak (BID ID -849136)