Military Engineer Services Tender

Apply SBR based bonding agent to the entire concrete surface prior to building up of concrete with Polymer modified mortar or any other treatment , including cleaning the surface to remove dirt, dust or any other impurities on the surface, etc. complete in Columns,Chajjas & Parapets. Make: Sika - SikaDur 32 LP)/ Fosroc - Nitobond SBR (EP)/ Pidilite Dr Fixit Super Latex (EP) or equivalent make approved by E-in-C's Branch.

M&L Shear key connectors: Drilling holes in concrete of suitable diameter, providing and fixing 8 mm diameter High Yield Steel reinforcing bars at on the RCC surface at 300 mm c/c or as per site requirement. Shear keys shall be 75mm long with embedment length of 40mm and projecting out of the concrete surface with a horizontal bend of about 25mm fixing with anchor fix having consumption of 10 to 12 ml/PC + 3 to 5% wastage all as specified and as directed.

Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 300 mm in staggered manner or along the crack line in Reinforced Concrete (RC) structural element including cleaning of the holes by air blower and inserting 12mm dia NRV (Non Returnable Valve) nozzle compatible with epoxy injector and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive to ensure complete sealing and allow curing the system for minimum of 8 Hrs before Grouting including nozzle projections, excess putty, if any, over concrete element by grinding, leveling and finishing the external surface, after completion of the work, etc. complete all as specified and directed.

Grouting, injecting in two part, low viscosity, moisture insensitive injection liquid, based on high strength epoxy resin by pressure and using pressure epoxy injector with accessories till nozzle refused to accept the grout including mixing of grout having 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. Note:- leakage through other nozzle or cracks are required to be monitored while grouting and such points to be sealed as and when required without any extra cost. (Mode of measurement: per kg of material consumed) Make: Sika - SikaDur 52 LP/ Fosroc- Conbextra EP 10/ Pidilite Dr Fixit Epoxy Injection Grout or equivalent make approved by E-in-C's Branch.

Re-building the section of damaged RCC elements to its original size in thickness upto 100mm 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 mixing, placing and leveling the surface by grinding off cementitious slurry or cementitious joints differences if any and curing complete all as specified and directed. (Mode of measurement: per KG of micro concrete) Make: Sika- SikaRep Microcrete 4/ Fosroc- Renderoc RG/Pidilite Dr Fixit Micro concrete or equivalent make approved by E-in-Cs Branch.

M&L 10mm dia and over mild steel TMT bars cut to length bent to shape required including cranking, bending binding with MS wire not less than 0.9 mm dia complete all as specified and directed.

M&L 5 to 10mm dia mild steel TMT bars as in stirrups cut to length bent to shape required including cranking, bending binding with MS wire not less than 0.9 mm dia complete all as specified and directed.

Formwork to sides of post struts, peir, pillars and columns and stanchians to rough finished of the concrete complete all as specified and directed.

M&L Reinforced cement concrete M 30 (using 20mm graded stone aggregate) in columns, pillars, piers, posts and struts complete all as specified and as directed.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. and any other treatment like tarfelt etc. And removal of rubbish outside MoD land all as specified and as directed.

M&L 15 mm thick cement plaster in CM 1:4 mixed with WPC as per manufacturers instructions finished even and fair on fair surfaces of concrete / brick walls all as specified and as directed. (Note : WPC shall be measured and paid for separately under relevant item as supplying only).

M&L 15 mm thick cement plaster in CM 1:4 mixed with WPC as per manufacturers instructions finished even and fair on fair surfaces on brick tiles including racking out joints of brick tiles of slabs laid flat all as specified & directed. (Note : WPC shall be measured and paid for separately under relevant item as supplying only).

M&L 10mm thick cement plastering in CM 1:6 finished even and smooth without using extra cement on internal walls all as specified.

All as per Srl item No 16 above but 10mm thick on ceiling in CM 1:3.

Supply only integral water proofing compound.

Dismantling of RCC of any description and in any position not otherwise specifically provided for and removal of rubbish outisde MoD land complete all as specified and as directed.

M&L Providing reinforced cement concrete (design mix) M-25 as in chajja . Parapets incl nesecaasry formwork complete all as specified and directed.

Apply SBR based bonding agent to the entire concrete surface prior to building up of concrete with Polymer modified mortar or any other treatment , including cleaning the surface to remove dirt, dust or any other impurities on the surface, etc. complete in Columns. Make: Sika - SikaDur 32 LP)/ Fosroc - Nitobond SBR (EP)/ Pidilite Dr Fixit Super Latex (EP) or equivalent make approved by E-in-Cs Branch.

Formwork to sofits of suspended slabs supported on walls, columns etc and similar items complete all as specified and directed.

Formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs n exc 20 cm wide and sides of RCC/ PCC bands in walls, horizontal or sloping and similar work exc 20cm thick / wide complete all as specified and directed.

Demolition of concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

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

Demolition of brick work or stone/boulder masonry, built in cement mortar or cement lime mortar incl aii quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles and removal of rubbish outside MoD land complete all as specified and directed

M&L Brick work with burnt clay bricks in cement mortar 1:6 , with subclass 'B' bricks, straight or curved in plan exceeding 6m mean radius.

M&L for preparation of new plastered surfaces and applying three coats of white wash on ceilings complete all as specified and directed.

M&L for preparation of newly plastered surfaces of external walls and applying two coats cement base paint over a coat of alkali resistant primer complete all as specified and directed.

M&L for preparation of new plastered surface and applying two coats of oil bound distemper, over and incl a layer of wall care putty to get even and smooth level finish on new plastered surface of internal wall complete all as specified and as directed.

Cutting out bricks, forming toothing for, and bonding new into old work including value of new material entering old walls and jointing and pointing (measured on vertical surface of old walls only) in CM 1:6 and removal of rubbish outside MoD land complete all as specified and directed

M&L 5mm thick cement plastering in CM 1:4 finished even and smooth without using extra cement in RCC walls complete all as specified and as directed.

M&L 5mm thick cement plastering in CM 1:3 finished even and smooth without using extra cement in RCC walls, complete all as specified and as directed.

Providing cement concrete type C1 1:3:6 (20 mm graded aggregate) as in copings, kneelers, apex stone, bed plates slightly round or chemfered angles and throating as directed

S&F MS Flat iron for hold fasts for jointing bond between column and wall incl embedding in concrete and screwing etc all as specified and directed

A Schedule of Credit for old/unserviceable demolished/dismantled items has been catered for in the tender. The Schedule of Credit is pre-priced by MES. The final amount of the tender shall be arrived at after deducting the total amount of Schedule of Credit from the total amount of BoQ as per General Summary sheet catered for after Schedule of Credit.