Maintenance work

Repairing damaged Terrace tile area & Wall surface with waterproofing elastomeric coat by removing all existing paint, putty and Loose plaster over wall, clean surface preparation with metal brush & putty blade also complete touch up work with pop mixing with SBR Chemical. For walls & Terrace with SBR (Styrene Butadiene Rubber) / Acrylic primer added to the cement with 1:1.5 ratio apply one coats as a protection coating & to make the surface strong. Followed by two coat of elastomeric water proofing coating. The rate including labour charges, SBR/ Acrylic primer, Elastomeric, POP and scaffolding etc., complete complying with standard specification and as directed by the departmental Officers at site of work.

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c, etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including Super Plasticiser, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers - manual mix

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Vertical Post M.S pipe hollow section 80mmx40mmx4.80mm (medium weight) of approved quality and make including labour for fabrication, labour for petty iron works and painting two coats of synthetic enamel paint over primer etc complete complying with standard specification and as directed by the departmental officers at site of work.

Supplying and fixing MS.Pipe hollow box section 50mmx50mmx5.00mm (medium weight) of approved quality and make including labour for fabrication, labour for petty iron works and painting two coats of synthetic enamel paint over primer etc complete complying with standard specification and as directed by the departmental officers at site of work.

Supplying, fixing and roofing with colour galvalume sheet of 0.47mm thick with all necessary accessories such as J/V bolt and nuts of suitable length with suitable bitumen washers complete complying with standard specification and as directed by the departmental officers.

Supplying the Reverse osmosis plant of capacity 500 liters/hr and Erecting in position of following liters capacity Industrial Model Reverse osmosis Water – cum - purifier to deliver Potable Water with World Health Organization (WHO) Standards with following accessories. (a) MS Skid – 1 No (b) Media 11054 No. Vessel with 20 NB Multiport Valve (with media Pebble and Fine Sand and Activated Carbon Filling) Set. (c) Feed Pump 0.50 HP – 1 No (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No (e) Membrane 40 x 40 Filmtech ( or) equivalents / Osmonic (USA) - 1 No and Membrane Pressure Vessel 40 x 40 – 1 No & Pressure Gauge – 2 Nos (f) Flow Meter – 1 No , 20 “Filter with Housing – 1No, Low Pressure switch – 1 No, Level Switch – 1 No & Necessary CPVC Pipes and Fittings. The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float control etc., The rate should be inclusive of all Civil works, wherever necessary to install the system in position and intact

Supply and Fixing of Automatic Multiport Valve with flow rate of 2000Litres per hr for backwash and rinse application for Dual Media Filter for the removal sediments and organic impurities present in the water. It must be compatible with the filtration system specifications and designed to handle automated flow diversion for service, backwash, rinse, and shut-off functions as required. The rate is inclusive of cost of materials, Handling charges that includes loading and unloading charges, transportation to site and labour charges for fixing in position with necessary accessories and finishing neatly as directed by the departmental officers..

Supplying and Fixing of Auto Flushing with flow rate of 2000Litres per hr applications for effective maintenance of membrane and cleaning of membrane filtration units, including auto cut off arrangements for operational safety and efficiency. The rate is inclusive of cost of materials, integrated control components(such as solenoid valves, timers, sensors if required), Handling charges that include loading and unloading charges, transportation to site and labour charges for fixing in position with necessary accessories and finishing neatly as directed by the departmental officers. (The system shall be designed to automatically flush the membrane at predefined intervals or conditions to prevent fouling, scaling, and performance deterioration, thereby extending the membrane's operational life)