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| 1 | 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) |
| 2 | Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge. |
| 3 | Providing and placing on terrace (at all floor levels) polyethylene water storage tank, ISI : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. |
| 4 | Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits.(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.(iii) Chlorination of RCC internal surface by liquid chlorine.(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.(v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge. |
| 5 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 15 mm nominal bore |
| 6 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 20 mm nominal bore |
| 7 | Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931. 15 mm nominal bore |
| 8 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.: External work: 15 mm dia nominal bore |
| 9 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.: External work: 20 mm dia nominal bore |
| 10 | Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 15 mm nominal bore |
| 11 | Supplying and applying High build elastomeric waterproofing coating based on pure, hydrophobic polyurethane, cold applied of spray / brush applied, SmartCare FlexiSeal PU liquid membrane with an elongation of 550% and tensile strength of 2.5 N/mm2 as per ASTM D 2370, crack bridging ability of 3mm as per ASTM C1305, no leakage upto 7 bars of water pressure as per DIN 1048, shore A Hardness of min. 45 as per ASTM D 2240. The system includes final base preparation, epoxy primer application and applying SmartCare FlexiSeal PU in two coats with a consumption of 1.8 Kg per SQM on a primed surface with SmartCare Primer, etc., complete as per Manufacturere specifications,The product performance shall carry warrantyfor 10 years against any leakage.Surface Preparation: Minor cleaning work, removal of loose concrete and filling cracks with polymer modified mortar using SmartCare SRP1.Making of angle fillets all around the periphery of the wall with polymer modified mortar using SmartCare SRP.2.Providing and repairing the crack with polymer mortar.3.Providing and grouting with cementitious grout and fixing the nozzle where honey combing where ever required. |
| 12 | Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) |
| 13 | 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. 75 mm diameter |
| 14 | 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 |
| 15 | 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 toIS : 5382, leaving 10 mm gap for thermal expansion. Bend 87.5°-75 mm |
| 16 | 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 toIS : 5382, leaving 10 mm gap for thermal expansion. Shoe plain- 75 mm Shoe |
| 17 | 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 toIS : 5382, leaving 10 mm gap for thermal expansion. Shoe (plain)- 110 mm Shoe |
