SPL REPAIR OF 09 STATIC WATER TANK WITH APPROACH ROAD INCLUDING CEMENT PLASTER, BRICK WORK, PLINTH PROTECTION, REPLACEMENT OF CONCRETE FLOOR, REPAIR OF GLOBE VALVE AT 24 FAD AT LGJ MIL STN UNDER GE LALGARH JATTAN

M & L for Dewatering of existing static water tank of approx. 50000 gallon capacity by pumping out complete water, removal of sludge, dirt, algae and debris from bottom and walls, followed by thorough cleaning using high pressure water jet, including disposal of waste material outside the premises complete all as specified and directed by Engr-in-Charge.

M & L for Dewatering of existing static water tank of approx. 15000 gallon capacity by pumping out complete water, removal of sludge, dirt, algae and debris from bottom and walls, followed by thorough cleaning using high pressure water jet, including disposal of waste material outside the premises complete all as specified and directed by Engr-in-Charge.

M&L for uprooting of tree from internal/external vertical wall surfaces of existing static water tank of depth not exceeding 6.00 metres, up to extended roots and spraying/application of approved root-killing chemical/herbicide of required quantity to prevent regrowth, removing all vegetation, roots and debris complete from any location of tank, making good disturbed surfaces with approved Polymer Modified Concrete (PMC) repair mortar of specified grade, including preparation of surface, application of bonding agent/polymer as per manufacturer's specifications, filling cracks, voids and cavities, finishing the repaired surface to match the existing surface, including necessary staging/scaffolding for working at all heights and depths, complete for tree of girth exceeding 5 cm and not exceeding 10 cm, complete all as specified and directed by the Engineer-in-Charge.

Material and labour for opening out cracks averaging 15mm wide and averaging 15mm deep ) in wall surfaces in 'V' shape by mechanical grinder and removing the loose material and filling the grooves with crack filler of Dr. Fixit crack-X, shrink-free or equivalent all as per manufacturer's instructions and finishing the surfaces to match with existing finish complete all as specified and as directed by Engineer-in-Charge. Make : Dr Fixit/Fosroc/Krishna Conchem/BASF/Sika as approved by GE.

M & L for taking down cement plaster/terrazoo on brick / stone walls/PCC floors including raking out joints, hacking for key, scrubbing down with water all as directed

Material and labour for rendering 15mm thick using factory manufactured pre mix/ready mix plaster of 'Roofit Mix' of M/s Premier Floor to Roof Materials Pvt Ltd/'Easy plast' of M/s Walplast Products Pvt Ltd/'Readiplast' of M/s Ultratech Cement Ltd' / Sound last PMC-1 of M/s Sound buildcare Pvt Ltd/or other approved equivalent make, having minimum composition of C:S : 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for plastering, having low rebound properties, low water demand for curing properties, mechanical mixing with water in a metallic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces with base coat of 10 mm thick and finishing coat of 5 mm thick final rendering, including using richer mix for making corners if necessary, at all floors and level, including making grooves of existing size wherever required,inclding sagol finish including cleaning the surfaces, curing including provide of 150mm chicken wire mesh fixed with nails at the junction of PCC and brick masonry at external faces before plastering including scaffolding at any height and all safety materials required for execute work etc. complete all as per specifications & as directed by the Engineer-in-Charge. Note- 1. The contractor shall make provision of steel scaffolding with all safety materials required to execute work etc as directed by the Engineer-in-Charge.

Providing and applying two-component flexible acrylic cementitious waterproof coating using Dr. Fixit Pidifin 2K (K2) or equivalent approved waterproofing system on newly plastered internal surfaces of static water tank, including cleaning of surface from dust, dirt, laitance and other foreign matter, wetting the surface to SSD (Saturated Surface Dry) condition, mixing liquid polymer and powder components in manufacturer's recommended proportion to obtain a homogeneous lump-free slurry, applying first coat uniformly by brush/roller/trowel, allowing the coat to dry as per manufacturer's specifications and applying second coat in a direction perpendicular to the first coat to achieve the specified dry film thickness, complete with curing, protection and all labour, materials, tools, plant, testing and incidentals necessary for satisfactory completion of work, all as specified and directed by Engineer-in-Charge. Rate shall include: (i) Surface cleaning and preparation. (ii) Wetting surface to SSD condition. (iii) Supply and application of two-component waterproof coating. (iv) Application of minimum two coats as per manufacturer's specification. (v) Curing and protection of treated surface. (vi) Water tightness testing after completion. (vii) All labour, materials, T&P, scaffolding and incidentals complete.

Term & Condition: 1. Material Approval & Record (i) Waterproofing material (Dr. Fixit Pidifin 2K or approved equivalent) shall be brought to site in original sealed packing only. (ii) Batch No., Manufacturing Date and Quantity shall be recorded in the Material Register and verified by Engineer-in-Charge (EIC) before use. 2. Submission of Invoices (i) Contractor shall submit original purchase invoices/challans of waterproofing material for verification before commencement of work. 3. Issue and Consumption Register (i) A daily material consumption register shall be maintained by the contractor and jointly verified by the EIC/representative. (ii) Quantity consumed shall be correlated with the area treated as per manufacturer's coverage. 4. No Use of Unapproved Material (i) Use of diluted, adulterated, expired or unapproved material shall not be permitted. (ii) Any such material found at site shall be removed immediately at contractor's cost. 5. Joint Measurement Before Application (i) Internal surface area of tank proposed for treatment shall be jointly measured and recorded before commencement of work. (ii) Material consumption shall be checked against theoretical coverage. 6. Stage-wise Inspection (i) Surface preparation, crack repairs, first coat, fibre mesh fixing and second coat application shall be offered for inspection at each stage. (ii) Subsequent stage shall not proceed without approval of EIC.

7. Retention of Empty Containers (i)All empty liquid cans, powder bags and packing materials shall be stacked at site and produced to EIC for verification before disposal. (ii) Payment shall be considered only after verification of actual material consumption. 8. Minimum Consumption Requirement (i) Waterproofing material shall be consumed strictly as per manufacturer's specifications and approved methodology. (ii) Any shortage in consumption compared to theoretical requirement shall be investigated and corresponding recovery made from contractor's bills. 9. Photographic Evidence (i) Contractor shall submit geo-tagged photographs before commencement, during each stage and after completion of work. (ii) Photographs shall clearly show material containers, batch numbers and work progress. 10. Water Tightness Test (i) After completion and curing, the tank shall be subjected to a water-tightness test for a minimum period of 72 hours or as directed by EIC. (ii) Any leakage/seepage observed shall be rectified by the contractor at his own cost. 11. Payment Condition (i) Payment shall be made only after successful completion of waterproofing work, verification of material consumption, submission of invoices and successful water-tightness test.

12. Defect Liability (i) Contractor shall provide a minimum 10 years guarantee/warranty against leakage, seepage and failure of waterproofing treatment. (ii) Any defect arising during the guarantee period shall be rectified by the contractor at no extra cost. 13. Recovery for Short Consumption (i) In case actual consumption is found less than the specified manufacturer's recommended consumption, recovery shall be effected at market rate plus departmental charges from contractor's dues. 14. Right of Rejection (i) The Engineer-in-Charge reserves the right to reject any work executed with insufficient material, improper workmanship or deviation from approved specifications, and the contractor shall redo the work at his own cost. 15. Security of Material (i) Waterproofing material shall be stored in a locked location approved by EIC. Removal of unused material from site without written permission shall not be permitted.