05/NIT/TCD/PTN/2021-22

Amount

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead (a) 100 mm dia pipe

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion (i) Single socketed pipes. 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. (i) Single tee with door a) 110x110x110 mm

(ii) Bend 87.5° (a) 110 mm bend

(iii) Shoe (Plain) (a) 110 mm Shoe

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hardwood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete (a) 110 mm

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

Supply of roofs bitumen of approved quality @17 kg per 10 Sqm impregnated as direction & datisfaction of Engineer in charge (a) With residual type petroleum bitumne of grade VG-10

Painting top of roofs with bitument of approved quality @17 kg per 10 sqm impregnated with a coat of coarse sand at 60 cudm per 10 sqm including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete (excluding the cost of bitumen) (a) With residual type petroleum bitumne of grade VG-10

Credit of unserviceable C.I. or PVC rain water pipe with fittings and clamps etc. as per direction of Engineer in charge

Cleaning of unwanted vegetation, grass, small plants on the terrace of Bhagalpur MSC main exchnage as per direction of Engineer in charge.