REPAIRS TO LEAKAGE, SEEPAGE AND WATER PROOFING TREATMENT TO ROOF AND WALL OF CERTAIN OTM ACCN IN THE AREA OF AGE BR-II UNDER GE NW KARANJA

Amount

M&L for dismantling/taking down unserviceable cement plaster loose/unsound weaken cement concrete of any description and in any position from existing internal/External surfaces of roof, wall etc. with power driven pneumetic chisel and removal of debris upto the approved municipal dumping ground outsides MoD land complete all specified and directed

M&L for crack sealing cementitious material in powder form, finished or smoothened off with a putty blade or a damp sponge, setting quickly on application and able to be over coated with common paints / coatings, white coloured with setting time of 15min and Compressive strength as per ASTM C 109 of 22N in 7 days; Mixing Ratio to 1: 2.5 (Water: Powder) including cutting groove of not less than 6mm X 6mm cracks complete all as specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for applying one coat of two component amine cured solvent free epoxy resin based epoxy mastic coating (application coverage 2.00 to 2.50 Sqm/lit) using Light brush blasting using nonmetallic abrasive leaving a clean, rough and even pattern, based on a 100% epoxy formulation and containing no solvents or water diluents. Apply one coats with brush or squeeze to the existing surface, working well into the substrate.it should achieve Compressive Strength of >70 MPa after 14days, having pot life, minutes at 27⁰C, 100 g >40 mass, complete all specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for applying the treated surface with high quality repair mortar with polymer and fibre content .water ratio of which shall be 0.16, 28 days compressive strength shall be 30 MPa,mixed density shall be 2.18 kg/ltr, flexural strength shall be 6 MPa (for 7 days) and tensile strength (for 7 days) shall be more than 2MPa; adhesion bond strength shall be greater than 2 MPa with creep strain reduction of 8%; modulus of elasticity shall be 23-26 KN/mm² and shall not bleed / segregate on adding water and shall provide dual shrinkage compensation i.e – both plastic & hardened.Cement , sand can be used for finishing the surafce even and smooth and shall be capable of being applied in thicknesses of 20 mm without sagging or falling and shall have minimum adhesive bond strength of 2 MPa including all cementitious systems have to be cured for a minimum period of 15 days by water curing,complete all specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for applying two coats of 1mm thickness waterproofing and protective coating on walls,floors and ceiling with non-toxic waterproofing system having multiple corrosion inhibiting synergies and should comply with ASTM D4541, ASTM C836, DIN 1048p 5, ASTC D412 having Hardness - Shore 'D' scale of 20,wet density of 1.66 g/cc, flexibility at low temperatures, tensile strength > 0.4 MPa, Elongation > 20%, adhesion to substrate greater than 1.5 N/mm², waterproofing to withstand 330 KPa positive pressure and 160 KPa negative pressure, having crack bridging properties upto 1mm.complete all as specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for Sprinkling sand particles of saturant making mechanical key and applying Single component, fiber reinforced cementitious repair mortar reinforced with specially designed bean shaped, alkali resistant synthetic fibers for exceptional resistance to cracking mini. thickness of 10 mm; water cement ratio of which shall be 0.16, 28 days compressive strength shall be 30 MPa,mixed density shall be 2.18 kg/ltr, flexural strength shall be 6 MPa (for 7 days) and tensile strength (for 7 days) shall be more than 2MPa.Its adhesion bond strength shall be greater than 2 MPa with creep strain reduction of 8% including Cement and sand can be used for finishing purpose. The modulus of elasticity of this product shall be 23-26 KN/mm², complete all specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for providing and spraying polyamine cured epoxy coating incorporating a special alkali reactive emulsion breaking system compound over the plastered surface. This impervious film shall prevent excessive water evaporation which in turn permits more efficient cement hydration, thus reducing shrinkage and increasing durability. It shall have a specific gravity of 1.02 and the minimum application temperature shall be 10°C and shall have a coverage of 8-10m² /litre /coat complete all as specified and directed Make : Thermax Ltd, Trimurti (India), Tiki tar Danosa (Pvt) Ltd/ CICO/ Dr Fixit/SIKA/ BASF/ FOSROC as approved by GE.

M&L for Cutting out cracks 'V' section on existing roofs or terrace cleaning out and filling solidly with a hot mixture of bitumen and clean dry sand 1:1 by weight complete all as specified and directed

Taking down existing bitumen felt roof treatment including cement mortar bedding and cleaning the surface and removal outside the MoD land, complete all as specified and as directed Note :- 1. Taking down earthing strips incl insulators from roof for treatment and re-fixing of same with existing specification in the same position after laying APP membrance including replacement of broken insulators, PVC rawl plus & screws etc are deemed to be inclusive of rate quoted by the contractor. 2. Unit rate quoted shall also include for removal of PVC water storage tank wherever existing carefully and refixing at the same or other position after completion of roof repair work 3. APP work shall be carried out on RCC PENT roof at 12 -15 mtr height (non accessible roof).

Demolition of cement concrete in ground floor and paving nexc. 15 cm thickness (below above ground floor ) and disposal of debris outside MOD land complete all as specified and as directed

M&L for PCC (1:2:4) type B-1, using 20 mm graded crushed stone aggregates as in roof/ chajja / coving /padding to roof to maintain the required slope including necessary formwork (if required) and finished the surface even and smooth without using extra cement, complete all as specified and directed.

M&L for rendering 10mm thick cement plaster in CM (1:3) on roof top surface including mixing WPC by weight of 3% of total cement content complete all as specified and as directed. Note : WPC will be measured separately

M&L water proofing treatment of roof consisting as under:- (a) Applying evenly a coat of bituminous primer conforming to IS-3384:1986 @ 0.30 litre/sqm including preparation of roof surfaces (b) A layer of 4mm thick APP polymeric membrane of weight not less than 4.60 kg/sqm, reinforced with polyester non-woven fabric (weight not less than 160gm/sqm), duly sealed at over laps & joints with end laps of the 10cm and side over laps of 7.5cm by flame (by torch application) all as per manufacturer’s instructions, complete all as specified and directed. (c) The laying shall got be done through authorized applicator of manufacturer

Supply only water proofing liquid compound complete all as specified and directed

M&L for appling one coat Bituminous water proofing aluminium heat resistance paint on the roof as per manufacture instructions complete all as specified and directed by Engr-in-Charge. Make : PLASCON/PLASCON or equalant

M & L for complete removal of existing treatment on external wall surface by sanding machine or any other mechanical means with & including washing, rubbing down the surface, in order to remove dust, dirt, loose particles etc. and fill the visible cracks/joints with crack seal caulking compound and applying a coat of primer ( water based primer) and allow to dry for six hours and applying two coats of water proofing treatment on wall ( WB high build anti carbonation cum water proofing including a coat of exterior grade weather proof acrylic emulsion paint) at any height of the building by using scaffolding complete all as specified and manufacturer instruction and directed MAKE: Pidilite / Berger/ Asian Paints / Chemistic. (The material used for the treatment must have crack binding ability, water proofing properties and flexible ( i.e. cover hairline cracks upto 2mm effectively) and be elastomeric)

Taking down cement plaster on brick walls or stone walls etc including raking out joint, hacking for key, scrubbing down with water etc including removing of debries outside MOD land complete all as specified.

M&L for rendering 15 mm thick on fair faces of brick/concrete surfaces in CM (1:4) , finished even and smooth without using extra cement, complete all as specfified and directed.

M&L rendering 15mm thick on fair faces of brick work or concrete surfaces of walls in cement mortar 1:6 finished even and smooth with out using extra cement complete all as specfified and directed.

M&L rendering 5mm thick in CM 1:3 on ceiling finished even and smooth complete all as specified and directed.

M&L for epoxy base joint filler paint on external surfaces of walls to fill the cracks having width upto 10mm & depth upto 20mm with and including resin and hardener in proportion as per manufacturers instructions complete all as specified and as directed Make : Pidilite / Fosrac / Chemistic or equivalent

M&L for preparation of new or previously untreated plastered surfaces of walls and applying two coats of acrylic antifungal paint exterior grade paint plain or camouflage pattern on one coat of primer complete all as specified and as directed

M&L for preparing new plastered surfaces of walls and applying two coats of oil bound distemper over a coat of cement putty on plastered surfaces complete all as specified and directed.

M&L preparation of new plastered surface of ceiling and applying three coat of white wash on ceiling complete all as specified and directed.

S&F Rotational moulded Polyethylene (HDPE) Water Storage Tank 500 LITRE Capacity (Cylindrical Vertical with Closed Top), White or Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I, including tank nipple, union and Lowering of unserviceable Water Storage Tank with Float Valve of any description complete all as specified and directed

S&F Rotational moulded Polyethylene (HDPE) Water Storage Tank 1000 LITRE Capacity (Cylindrical Vertical with Closed Top), Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I, including tank nipple, union and Lowering of unserviceable Water Storage Tank with Float Valve of any description complete all as specified and directed

S&F Rotational moulded Polyethylene (HDPE) Water Storage Tank 2000 LITRE Capacity (Cylindrical Vertical with Closed Top), Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I, including tank nipple, union and Lowering of unserviceable Water Storage Tank with Float Valve of any description complete all as specified and directed

Dismantling plain or corrugated steel sheeting ,any gauge ,thickness incl Nainital or similar pattern roof covering complete all as specfified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.5mm thick of an colour having tenstile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self tapping screws complete all as specfified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based Plain steel sheet 0.5mm thick of an colour having tenstile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self tapping screws as specified and as directed

M&L for taking down roots of trees, plants etc of any size/ length/ height from concrete roof /brick wall with & including repairs with plaster in cement mortar 1:2 with using water proofing powder and finishing the surface to match with existing complete all as specified and as directed

S&F PVC False ceiling consisting of 600 mm x 600 mm, 5 mm thick prelaminated self design PVC sheet of density 600 kg/cum solid PVC panel insert with & incl frame work made using aluminium T section of size (25mm x 25 mm, 19 gauge or 1mm thick) in square pattern of grid size of 600 x 600 mm; aluminium frame work shall be supported from the ceiling with the help of GI wire/6 mm MS rods of required size maintain proper level etc; aluminium frame work shall be supported on side wall with aluminium 25 mm X 25 mm angles and taking down of old existing false ceiling of any type complete all as specfified and directed.

S&F Anodised aluminium snap grid frame work for false ceiling size of grid 605x605 mm of aluminum frame work using T section of size 25mmx25mm, 19 guage or 1mm thick in square pattern and supported at side wall with aluminum 25mmx25mm angle including fixing gypsum board 12 mm thick size 600x600 board in ceiling fixed with GI wire with 6mm nylon rawl plug & screws at 1200mm intervals incl taking down of old existing false ceiling of any type complete all as specfified and directed.

Cleaning and removing all scale and dirt, etc, from Overhead tank (R.C.C./PVC) and from mouths of circulating pipes etc capacity exc 500 and not exc 1000Ltr each washing the tanks by using bleaching powder and clean water & including reconnecting & re-fixing the same in its original position complete all as specfified and directed. Note:- Over head tank cleaning each quarter/ two time in contract period) Date of cleaning in white paint to be marked on the tank in 50mm ht letters.complete all as specified and as directed

All as per BOQ item No 34 but capacity exc 1000 and not exc 2000 litres complete all as specified and directed.

S&F in repairs float valve of PTMT with polythene ball and rod for 25mm dia pipe complete all as specified and as directed

S&F in repairs float valve of PTMT with polythene ball and rod for 20mm dia pipe complete all as specified and as directed

S&F in repairs float valve of PTMT with polythene ball and rod for 15 mm dia pipe complete all as specified and as directed

Demolition of cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position complete all as specified and as directed

M&L for reinforced cement concrete (nominal mix) type B-1 1:2:4 (using for 20 mm thick crushed stone aggregate) in slabs supported on walls, bends, beams and Columns, pillars, piers, posts, struts, roofs, landings, balconies, canopies, deck slabs and in shelves and the like etc complete all as specified and directed

S&F for steel water tubing 15mm bore, galvanised, medium grade with and including provision of all fittings of ISI marked and connected complete incl taking down old GI pipe complete all as specified and as directed

All as per BOQ Item No.41 above but 20mm bore GI tubing medium grade, complete all as specified and as directed

Taking down and refixing for mild steel gate & wicket gate of any size including welding/cutting and fixing in RCC Column with PCC & making good existing surface complete all as specified and as directed

M.K Enterprises

Mahadev Enterprises

M/s. Prakash Construction

M/s S.D Construction Co