SPL REPAIR OF ROOF TREATEMENT OF 05x AMN SHEDS AT AGE B/R-I AND AGE E/M UNDER GE BABINA.

Removing existing water proofing treatment by brushing with wire brush, taking down cement concrete tile, existing plaster/cement concrete/lime coba etc in any thickness, cleaning of all foreign material such as fungus, moss, dust etc and remove from the site of all waste materials, roughing surface of corner to roof by wire brush and all the open cracks/honeycomb should repair properly with site made polymer mortar (cement: sand: 1:4) admixed with HS Latex Plus @10% by weight of cement. complete all as specified and directed.

M&L for 10 mm thick rendering on roof/wall in cement mortar 1:4 on concrete/brick surfaces when concrete is stil green finished even and fair including mixing of water proofing compound as per manufacturer instruction etc complete all as specified and as directed.Note :- Water proofing compound shall be measured separately

Supply only integral water proofing compound complete all as specified and as directed.

Providing and applying two coats of HS Elastoseal BTD a waterbased, single component, UV resistant elastomeric PU liquid membrane in white / terracotta / green colour. better UV resistance, we recommend use of white colour BTD, having SRI Index > 109, having solid content 80%, Elongation 400%, Tensile 2MPa, with the help of brush/Roller with the coverage of 2Kg/Sqm over a primer coat of Elastoseal BTD : Water (1:1) to achieve DFT of 1.5mm, Sandwich 40GSM fibre-mesh in between two coats etc. complete as per manufacturer recommendations complete all as specified and directed.

Note:(a) The work under item 01 to 04 shall be carried out by the authorized applicator of Manufacturer by using modern techniques. The contractor shall also furnish warranty of quality, finish work and effectiveness of waterproofing treatment under this item for a period of of 10 years from the date of completion along with manufacturer warranty of material for the same period. (b) Height of bldg may be more than 10 meters and roof have continous series of trapizium with no staircase to reach at the top of the building (c) The contractor shall have MOU with any one of manufacturer and also with their authorised applicator mentioned in the tender. Authorised applicator shall have valid authorisation letter from the manufacturer (Minimum regional HQs) and shall have been issued not less than 30 days from the date of commencement of the work. The authorisation letter needs to be valid for the complete period of execution work. (d) After preparation of the surface, Engr-in-Charge shall approve the same before applying finishing coats. (e) Building wise stage passing register shall be maintained and shall be signed by Engr-in-Charge and contractor. (f) The equipments to be used in the work shall be certified by the manufacturer with whom the MOU been entered into. (g) Contractor shall submit approved company generated 10 years warranty card at the time of submission of Final Bill.

M & L for cement concrete tiles 25cm x 25xcm x20-22mm thick, machine pressed; set, jointed and pointed in net cement slurry in floors etc, and cut and polished, rubber moulded with grey cement and no pigment over and including 15 mm thick screed bed in CM 1:4 complete all as specified and directed.

M & L for preparation of old Surfaces by brush, sand paper, surface repair if required , filling putty in holes etc of wood, steel , concrete,brick, stone, etc.,exceeding 10cm inwidth or girth and applying a coats of fire/heat resisting paint complete all as specified and as directed.

M & L for preparation of Old/new plastered surface of wall by brush, sand paper, surface repair if required , filling putty in holes and cracks etc and applying two coats of Premium acrylic emulsion paint (Camouflage pattern) on external wall/Roof surface over a coat of exterior primer complete all as specified and as directed.

Taking down & single pointed air termination aluminium rod 12 mm dia, 300 mm dong complete all as specified and as directed.

Refixing single pointed air termination aluminium rod 12 mm dia, 300 mm dong complete all as specified and as directed.

Supply & fix single pointed air termination aluminium rod 12mm dia, 300 mm dong complete all as specified and as directed.

Taking down aluminium strip 25 mm x 3 mm complete with saddles and fixing screws for fitting the strip complete all as specified and as directed.

Refixing aluminium strip 25 mm x 3 mm complete with saddles and fixing screws for fitting the strip complete all as specified and as directed.

Supply & fix aluminium strip 25 mm x 3mm complete with saddles and fixing screws for fitting the strip complete all as specified and as directed.

Taking down GI strip 32 x 6 mm as earth continuity conductor buried in ground for loop earthing as required complete all as specified and as directed.

Refixing GI strip 32 x 6 mm as earth continuity conductor buried in ground for loop earthing as required complete all as specified and as directed.

S&F GI strip 32 x 6 mm as earth continuity conductor buried in ground for loop earthing as required complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60x60cmx 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised MS strip 32 X 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion

S&F test point terminal made of gun matel or phosphorus bronze size 75x75x 25mm ,drilled and screwed including 3 Nos. 8mm dia 25mm long hex. head screw Complete as all shown in Drg & Specification..

M&L GI tubing (light Grade )to be embeded in PCC in PCC block with fitting complete of 40mm bore complete all as specified and as directed.