SPECIAL REPAIRS TO BLDG NO P-904 AT INS TUNIR AT NAVAL STATION KARANJA

Amount

Material and Labour for dewatering the sump and reservoir completely to make dry and cleaning of reservoir tank, removing sludge in semi-solid state or liquid state by manually or by pressure pump including necessary arrangement of pump, and removal of sludge, if any, to a distance exc 1.5km but not exc 5km, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for chipping and cleaning of existing loose and damaged concrete surface or plaster surface carefully upto 60 mm thickness by low impact high frequency hammer or by manual chipping without damaging the existing concrete/surface including cleaning the surface by air jet and stacking & disposal of unserviceable materials to a distance exc 1.5km but not exc 5km etc complete all as specified and as directed by Engr-in-Charge.

Taking down cement plaster of any description on brick or concrete surfaces, including raking out joints, hacking for key, scrubbing down with water, etc, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for ready mix plaster 15mm thick in cement mortar 1:4 on fair faces of brick/concrete surfaces on walls, finished even and smooth without using extra cement, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for ready mix plaster 20mm thick in cement mortar 1:4 mixed with and including integral water proofing admixture @ 200ml per bag of cement on fair faces of brick/concrete surfaces of wall, finished even and smooth and with moist curing, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for ready mix plaster 10mm thick in cement mortar 1:3 mixed with and including integral water proof admixture @ 200ml per bag of cement as in ceiling, finished even and smooth without using extra cement and with moist curing of the surface complete all as specified and directed by Engr-in-Charge.

Material and Labour for providing and fixing welded MS wire mesh weighing not less than 1 kg/sqm on the prepared surface which should be cleaned and should be removed from dirt, fungus and all foreign material, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for Providing and applying jacketing around columns with Micro concrete M40 including all lifts, shuttering, drilling holes and fixing shear anchor as per specification, complete all as specified and as directed by Engr-in-Charge. Note:- Reinforcement shall be measured and paid separately. (Rates including jacketing, formwork and micro concrete)

Material and Labour for ready mix polymer cement plaster with high quality polymer additives (Polymer plaster) with 4 MPa compressive strength of required thickness over the entire cleaned surfaces including all tools and tackles, etc. in damaged areas in 40 to 50 mm thickness including levelling profiling etc complete all as specified and as directed by Engr-in-Charge.

Demolition of cement concrete of any type and in any position for below or above ground floors, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for PCC (1:3:6) type C-2 using 40mm graded aggregate, 75mm thick as in plinth protection/footpath, finished even & smooth using extra cement and including WPC by weight 3% of total cement content, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for PCC 1:2:4 type B-1 using 20mm graded stone aggregate as in coping, kneelers, apex, stones, bed plates, kerbs and likes including weathering, slightly rounded or chamfered angles and throating and including WPC by weight 3% of total cement content, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for applying two coats of synthetic enamel paint over a coat of red oxide, zinc chromate primer on new or previously untreated steel & iron surfaces of any description, not otherwise described, over 10cm width or girth including necessary preparation of surfaces, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and as directed by Engr-in-Charge. Note:- Replacement of steel reinforcement with TMT bars of appropriate size where 30% of cross section is reduced including dismantling of rusted steel complete all as specified and directed.

Ditto - all as per item No 14.00 here-in-before but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders including anchoring in existing concrete members, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for wire brushing, cleaning the surface from loose dirt, mortar dropping etc apply one coat of primer pure acrylic seater and allow to dry for 4-5 hrs. Thereafter, applying two coats of Anti-carbonation coating and allow to cure for 72 hrs. complete all as per manufacturer specifications and as directed by Engr-in-Charge. Anti-carbonation coating to have the following properties :- (a) Vapour permeability - < 0.13 ASTM D1653 (b) Diffusion resistance Co2: Min : 22.00g/(sqm d) (c) Diffusion air layer thickness : Min 11.00/m Din (d) 53122 pt I adhesion min: 2.00 ASTM d-4541 (e) Tensile strength Min 1.5 MPa (f) ASTM D 2370 , allow to cure for 72 hrs.

Material and Labour for providing the following treatment to water reservoir complete all as per manufacturer specifications and as directed by Engr-in-Charge :- (i) Wire brushing, cleaning the surfaces of walls , removing loose dirt, dust, gravel etc on external top and side wall surfaces. (ii) Fill all cracks, joints with Primer and filling the same with Polymeric joint sealant and allow to cure for 72 hrs. (iii) Apply one coat of Tank water proof coating and allow to cure to 24 hrs. (iv) Apply two coats of Anti-carbonation paint and allow to cure for 72 hours . Anti-carbonation coating to have the following properties :- (a) Vapour permeability - < 0.13 ASTM D1653 (b) Diffusion resistance Co2: Min : 22.00g/(sqm d) (c) Diffusion air layer thickness : Min 11.00/m Din (d) 53122 pt I adhesion min: 2.00 ASTM D-4541 (e) Tensile strength Min 1.5 MPa (f) ASTM D 2370 , allow to cure for 72 hours.

Material and Labour for filling all visible cracks joints in floor slab etc with Polymeric joint sealant by first priming with Primer. Thereafter, apply one bond coat of Epoxy Tac Coat prior to laying M-15 concrete in 30mm thickness laid to level to finish. Allow to moist cure for 7 days complete all as per manufacturer specifications and as specified and as directed by Engr-in-Charge.

Material and Labour for applying on new concrete or plastered surfaces, one coat of tank waterproof coating, allow to cure for 72 hours. Thereafter, applying three coats of Epoxy Slurry mortar heavy duty tank coating at an interval of 4-6 hours between each coat complete all as per manufacturer specifications and as specified and as directed by Engr-in-Charge.

Material and Labour for applying Epoxy Resin Based Concrete Bonding Agent for proper bonding between old surface with micro-concrete/new surface. The bonding agent shall be a two component solvent free epoxy supplied as ready to use at site, all as per manufacturer's specifications and as specified and as directed by Engr-in-Charge.

Supply only water proofing liquid compound as URP complete all as specified and directed by Engr-in-Charge.

Demolition of pre-cast concrete block walling in cement mortar including all quoins, arches, pillars etc. but excluding ashlar facings dressed stone work and pre cast concrete articles, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for pre-cast cement concrete block masonry with solid blocks, exc 10 cm in width in type B1 (1:2:4) 20mm thick graded aggregate and setting in mortar (1:6) , complete all as specified and as directed by Engr-in-Charge.

Demolition of cement concrete in ground floor and paving not exceeding 15cm thick below or above ground level un-reinforced, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for PCC 1:4:8 type D2, using (40 mm graded agg) , 75mm thick as in sub base of flooring, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for PCC 1:2:4 type B2 using (40mm graded aggregate), 100mm thick as in flooring, ramp, surfaced even and fair without using extra cement complete with metallic floor hardener @3 % by weight of cement, all as specified and as directed by Engr-in-Charge. Note:- Metallic floor hardener shall be measured and paid separately.

Supply only Metallic floor hardener, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for machine cut broken stone or boulders of gauge not exc 63mm as in hard core not exc 150mm thick spread and levelled including watering & ramming , all as specified and as directed by Engr-in-Charge.

Material and Labour for Chequered cement concrete tiles 30cm x 30cm x 25mm thick set jointed and pointed in neat cement slurry in floors or steps with in equal proportions & pigments with red and yellow colour over including 15mm thick screed bed in CM 1:6, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for 60 mm thick Machine pressed precast concrete interlocking paver blocks with grey cement and pigment, glazed coloured up to 6mm on the top in any shape and size, strength not less than M-35 Grade, complete all as specified and as directed by Engr-in-Charge.

Material and Labour for Sand filling under floors or in foundations including watering and consolidation all as specified and directed by Engr-in-Charge.

Notes :- (a) Tenderer shall employ skilled manpower who has experience in the field. The tenderer shall furnish the following:- (i) Manufacturers test certificate with name of manufacturer and details of original product. (ii) Test certificates from any approved laboratory as directed by GE. The testing charges shall be borne by the tenderer. (b) Quoted rate shall be inclusive of all material, labours, tools and plants, scaffolding and working upto 10 metre height. (c) Adoption of necessary safety arrangement like safety belts, ropes, helmets, netting etc. which are required for safety of working at any height of the building shall be mandatory and deemed to be inclusive of quoted rates.

R A Electric Co. (BID ID -3284438)

Sagar Electricals (BID ID -3286102)

Shri Krishna Trading Corporation (BID ID -3286050)

M.K Enterprises (BID ID -3285821)

LAXMI ENTERPRISES (BID ID -3286086)

S.P.TRADERS (BID ID -3286055)

HARI HAR CONSTRUCTION (BID ID -3285914)