Military Engineer Services Tender

Upto 4th floor

Providing and applying Bi-polar migratory corrosion inhibitor on concrete surface by spraying at 4 sqm/ltr and wiping the surface with moist cloth after few minutes to remove any residual material which has not penetrated, including all necessary surface preparation works, etc., complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Cleaning all existing reinforcement bars with wire brush/ rotary wire brush to make entire surface of bars free from rust scales, loose material, dirt etc. and applying alkaline rust converting primer on the existing rebars and allowing it to react with rust and form a corrosion resistant, insoluble protective layer, as per manufacturer’s instructions, etc., complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Material and labour for drilling Holes of 12mm dia up to 100 mm deep in structural members at the interval of 300 mm in staggered manner or along the crack line in RCC structural member including cleaning of the holes by air blower and inserting 12mm dia NRV nozzles compatible with epoxy injector and having machined external end to receive outlet of Grouting Gun. Fix the nozzles inside the hole by applying thixotropic epoxy adhesive to ensure complete sealing and allow curing the system for minimum of 8 hrs before grouting; Cut and remove nozzle projections, excess putty, if any, over concrete element by grinding, levelling and finishing the external surface, after completion of the work, etc., complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Material and labour for providing and injecting two part, low viscous, high strength epoxy resin based moisture insensitive liquid using pressure injector with accessories till nozzle refuses to accept the grout including mixing of grout material components in adequate proportions as per manufacturer's instructions by weight batching and grouting the mixed material into the structural member by grouting gun, maintaining desired pressure in the gun by air compressor and maintaining pressure at exit about 2 to 3 kg/cm2 by monitoring pressure guage at exit. The mixed grout should have following properties:- (i) Mixed Density 1.1 kg/l (at +27°C); Viscosity ~ 250 mPas at +30°C and should comply according to ASTM C 881, Type II and IV, Grade-1, Class E+F (ii) Compressive strength = 70 N/sqmm (7 days) according to ASTM C 579; Tensile Strength ~ 50 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); Tensile Modulus ~ 2000 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); (iii) Bond Strength ~ 10.8 N/sqmm (failure in concrete) after 14 days at +30°C cure; Flexural strength ~ 50 N/sqmm according to ISO 178. (iv) Seal the nozzle with thixotropic epoxy adhesive after the refusal of grout material from the nozzle, complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Material and labour for MS TMT bars for additional reinforcement and shear keys, 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 as in reinforcement complete all as specified and as directed by Engr-in-charge.

For bars above 10mm dia.

For bars of 6mm to 8mm dia.

Anchoring reinforcement bar (shear bar 150 mm length approximate) in existing RCC member in drilled holes and grouting in position with Epoxy resin anchor grout of approved brand, including drilling of holes, cleaning etc. complete all as specified and as directed by Engr-in-charge. Note: Bar shall be measured and paid separately.

Material and labour for providing and applying Zinc rich epoxy anti-corrosive protective coating for reinforcement bars as corrosion protection system in two coats to the entire circumference surface of bars. The product should confirm carbonation resistance of 2 mm and bond strength 1N/sqmm according to ASTM C 882-78 (Mode of measurement: per sqm of application area of concrete) complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Material and labour for providing, mixing and applying two component epoxy resin concrete bonding coat on prepared RCC surfaces prior to application of any type of repair mortar or microconcrete as per manufacturer's specification including cleaning of surface to remove all dirt, dust or any other impurities, etc. complete. The product should comply with ASTM C 881 Type II Grade 2 Class B+C complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Material and labour for rebuilding the section of damaged RCC elements to its original size in thickness upto required thickness by providing and casting with ready to use non-shrink, cementitious free flow micro-concrete having compressive strength 60 N/sqmm (28 days) according to ASTM C 1107-99 including, drilling holes and fixing shear connectors, mixing the microconcrete with adequate quantity of water, placing, levelling the surface by grinding off cementitious slurry or cementitious joints differences if any and curing complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

Providing watertight formwork of timber planks so as to give a rough finish including centering, shuttering, strutting and propping etc., complete all as specified and as directed by Engr-in-charge.

Upto 4th floor

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

Upto 4th floor

Providing and applying ready to mix Cement plaster with high quality polymer additives with 4 MPa compressive strength of required thickness over the entire cleaned surfaces including all tools and tackles, etc. complete all as specified and as directed by Engr-in-charge.

For 12mm thickness

Upto 4th floor

For 10mm thickness (Internal)

Upto 4th floor

For 5mm thickness (Ceiling)

Upto 4th floor

Material and labour for new or old surfaces of exterior wall decorating and water proofing treatment to wall surface by wire brushing in order to remove dust, dirt, loose particles, laitance. Thereafter wash the surface with clan water and allow to dry. Fill visible cracks/ joints by chemistic crack seal caulking compound and allow to dry for 24 hours. Apply a primer coat of chemistic prime M Seal (water base primer) and allow to dry for 6 hours. Thereafter apply 02 coats of chemistik PDS-50 (WB high build anti caronatin coating cum waterproofing) & shade by brush at the interval of 08 hours between the coat and allow to dry to match the existing shade including necessary scaffolding for any height, covering etc complete all as specified and as directed by Engr-in-charge.

Material and labour for preparation of newly plastered surfaces and applying two coats of oil emulsion distemper on walls over a coat of chalk whiting primer complete all as specified and as directed by Engr-in-charge.

Material and labour for preparation of new plastered surfaces and applying three coats of white wash on ceilings complete all as specified and as directed by Engr-in-charge.

Dismantling floor hearth or wall (ceramic/mosaic) tiling including cement mortar bedding (but not backing) and rubbish off the premises complete all as specified and as directed by Engr-in-charge.

Roughening surfaces of old concrete floors by picking, sweeping clean and washing down with water to remove dust, etc., complete all as specified and as directed by Engr-in-charge.

Material and labour for brushing neat cement slurry with 3 kg of cement per sqm complete all as specified and as directed by Engr-in-charge.

Supply and fix for coloured non skid coloured ceramic tiles 7 to 8mm thick (square/ rectangular) area of each tile exc 0.11 sqm but not exc 0.18 sqm, in floors etc., set and jointed in neat cement slurry and pointed in white or coloured cement to match over 20mm thick screed in CM 1:6 complete all as specified and as directed by Engr-in-charge.

Supply and fix for coloured glazed ceramic tiles in vertical surfaces 350x250x7mm/ 450x350x7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match over 15mm thick backing coat in CM 1:4 on fair faces of brick or concrete surfaces complete all as specified and as directed by Engr-in-charge.