Military Engineer Services Tender

M&L for surface preparation of the concrete surface of water retaining structure to be water proofed, The surface shall be washed with a water jet to remove all traces of impurities by using etching agent solution complete all specified and directed by engineer-in-charge. , complete all as specified and directed by Engineer-in-Charge. Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for scrubbing the cured membrane with emery paper and removing all the traces before applying on cleaned surface free from dust and loose particles in 3 layers on cement with graded aggregrates in combination with selected polymers waterproofing Industrial with multiple corrosion inhibiting synergies producing High performance elastomeric Non-toxic coating complying to ASTM D4541, ASTM C836,DIN 1048p.5,ASTM D412 having Shore Hardness ‘D’ Scale =20,Non Volatile, Low Temperature Flexibility Adhesion to concrete 2.5 N/mm2,Pass permeability Test, Tensile Strength ≥ 0.4 Mpa, Elongation ≥20%, . Coating to be applied after proper curing of screed, mixing using slow speed electric drill and application of 3 coats which should have good uv resistant capability, highly flexible, having crack bridging capabilities upto 1 mm etc. Before applying ,surface should be free from dirt soil, oil release agents latiance and any foreign material which may unpair the bond, penetration.It cures forming a coating, with limited thickness, which resists the penetration of water and shall be applicable in situations of high negative hydrostatic pressures and treating junctions both horizontal and vertical of old and new concrete with waterproofing coat complete all as specified and directed by Engineer in Charge. Note: 1. The coating to be applied on concrete surfaces shall be acrylic polymer based cementitious composite water proof coating system. It shall be non- flammable, non - combustible. It shall give tough and hard waterproofing surface. It shall allow entrapped vapour to escape preventing peeling and blistering. It shall have excellent bond to building materials. It shall be highly durable in continuous wet condition. The solid content shall be 30 ± 1 % and the specific gravity shall be ranging between 1.05 ± 0.05 gm/cc. System should consist of application of 3 coats of coating using brush, roller or by trowel. Coating to be applied after proper surface preparation to remove loose dust, cleaning, and mixing the material using slow speed electric drill and application of 3 coats, complete all as specified and directed by Engr-in-Charge. Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for providing and fixing welded MS wire mesh weighing not less than 1 kg/sqm on the prepared surface which should be cleaned and removed from dirt, fungus and all foreign material complete all as specified and directed

M&L for form work to sides and soffits of lintels, beams, columns, shelves, chajjas including overhangs etc for fair finished flat surface, complete all as specified and directed by Engr-in-charge

Removing or Dismantling damaged / cracked / lose concrete / plaster of ceiling / roof / chajja to expose the sound and hard concrete using a suitable mechanical device or by hammer and chisel, etc. The chipping shall be carried out to such depths that the rods are fully exposed to the best possible.complete all specified and directed by Engineer-in-charge.

M&L for applying two component solvent free resin based agent having mixed density of 1.45-1.5kg/ltr, rendering full hardness in 24 hrs,compressive strength in 7 days shall be 40 MPa, tensile strength @7days 15 MPa,flexural strength shall be 25 Mpa, and shall give bond strength 11 MPa as per recommendation of manufacture.complete all as specified and directed by Engineer-in-Charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for providing and crack sealing cementitious material in powder form. It is easy to apply and can be finished or smoothened off with a blade or a damp sponge. It sets quickly on application and can 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) complete all as specified and directed by Engr-in-Charge. Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M & L for applying 3 coats of waterproofing agent with holding the quality of negative hydrostatic pressure on new plastered surface also meeting the elasticity modules of V1 CATEGORY as follows 28 days 14000-16000 N/mm2 adhesion to substrate 1 day 0.6N/mm2 28 days 1.3 N/mm2 compressive strength 1 day 12N/mm2 28 days 36N/mm2 flexural strength 1 day 3.6N/mm2 28 days 8.2 N/mm2, modified with special additives and ready to use..Mixed with water ,it cures forming a coating , with limited thickness which resists the penetration of water to achieve compressive strength of 36 N/mm2 in 3 days, adhesion bond strength of 8.2 N/mm2. Coating on the plastered/coated surface of oht/sump to be applied after proper surface preparation to remove loose dust , dirt etc. Cleaning, mixing using slow speed electric drill and application of 3 coats.complete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for drilling holes at the location of cracks upto a depth of 75 -100 mm and a dia of almost 20 mm and cleaning those holes prior to application. nipples should be fixed in these holes which are to spaced at 1m c/c. A high strength polymer based on BPA and having viscosity less than 200 cps at 25°C and a 7 days compressive strength of minimum 70 MPa.complete all specified and directed by Engineer-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

Razing off/ taking down old existing unserviceable cement plaster from oht/ug sump loose / unsound weaken cement concrete of any description and in any position from existing external / internal surfaces of RCC roof / slab / beams / columns/ bottom or any surface average depth 25mm (Approx height 25 m from natural ground level) with power driven of pneumatic chisel and removal up to the approval municipal dumping grounds specified by the local bodies outside MOD land including cutting of all edges, making square shoulders of the cavities, roughening the smooth surfaces, scrapping out / removing corrosion all loose / scale / rust etc from the visible unplastered surface and applying one coat of styrene butadiene polymerized cement mortar modifier for B/P the surface before application of rheoplastic cementious based repair conforming to BS 6319. Ensuring no porosity in new surface. complete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

Removal of water and cleaning of existing water tank from inside surfaces of the tank by scraping down walls & bottom surafce using steel wire brushes to remove all disputation/fungus,other micro-organisms etc. Using light hammer & wire brushes, taking out and removing sediment loose dirt/mud sludge,vegetation and other foreign materials completely from the internal and external surface of tank disposal of all the waste/spoil to a distance not exceeding 50 mtr. And washing repeatedly the inside surfaces of tank with water and washing with clean water thoroughly and preparation of the surface, complete all specified and directed by Engineer-in-charge.

M&L for providing and filling epoxy putty into RCC crack after opening up RCC cracks in V-groove manner approximate 5 mm wide & 5 mm deep using mec nical cutter, properly cleaning the same to remove loose dust, dirt etc. And filling the same using three component, the solvent free, thixotropic Epoxy resin based putty having 100% solid contents mixed density of 1,6 g/cc, compressive strength — 50 N/mm2 , pot life of 40 minutes at 27 degree C, Drying time 8 hrs. recoatable time 24 hrs. And finishing in line and level with existing concrete surface etc complete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for Covering of waterproofing coating with 10mm screed layer of single component, fibre reinforced mortar having dual shrinkage property, compressive strength of 30 Mpa after 28 days, tensile strength of 2 Mpa, flexural strength of 6 MPa, shall have water-power ratio of 0.16 and adhere to ASTM C109, ASTM C348 and ASTM C 307 complete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for Perforation in RC using twist & rotating mechanical cutting tool for Fastening to concrete for chemical anchoring having a Rapid strength gain, Vibration resistant, Corrosion resistant of reinforcement on existing RC Component with Hilti HIT-HY70 BS 5080, typically attains a compressive strength in excess of 20N/sqmm @ 3 hours and an ultimate compressive strength of 70N/sqmm in 7 days as per BS 6319 Part 2 : 1983, maximum hole depth 75mm, steel bar 12mm dia and drill bit size14mm with polyster resin based anchoring material for H/V/Large annular applications or post installed bars or in accordance with bar thickness complete all as specified and directed by Engr-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for applying Polyster Resin based Anchoring material in concrete before fixing nozzle it should typically attains a compressive strength in excess of 20N/mm @ 3 hours and and ultimate compressive strength of 70N/mm in 7 days (50mm x 50mm x 50mm)when tested as per BS 6319 Part 2 : 1983. complete all as specified and directed by Engr-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for applying 3 coats of amine cured epoxy coating cum primer A film thickness of approx. 1 to 2mm should be built up in two coats, should achieve Adhesion bond strength 1 N/mm2, pot life of 30 minutes@30 C. Before applying primer Concrete / steel surface should be cleaned by any suitable method (like sand blasting, water jetting etc.) to remove old coatings, grease, oil, curing compounds, loose particles, weld spatter, flux, rust etc, complete all specified and directed by Engineer-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for removing of existing loose material and complete surface preparation by scarifying the surface. Filling of voids and undaltions with ingle component thixotropic fibre reinforced polymer modified mortar to achieve compressive strengths of 15 Mpa in 1 day, 25MPa in 3 days and 45 MPA in 28 days, adhesion bond strength of2MPa, giving creep strain reduction of 10%, modulus of elasticity of 25-28 MPa, shall have water-powder ratio of 0.16,finished to obtain surface even and smooth, complete all as specified and directed by Engr-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for applying cement based powder, modified with special additives and ready to use. Mixed with water and Styrene Butadiene Rubber Based Bonding Agent Cement Modifier having Compressive Strength, 22.0 N/mm2 28 days Tensile Strength @ 28 days, N/mm2 3.0 Flexural Strength, N/mm2 5.0 Specific Gravity 1.02, it cures forming a coating, with limited thickness which resists the penetration of water to achieve compressive strength of 36 N/mm in 3 days, adhesion bond strength of 8.2 N/mm Coating to be applied after proper surface preparation to remove loose dust, Cleaning, Mixing using slow speed electric drill and application of 2 coats. complete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for applying Amine epoxy coating on the cured surface. The concrete substrate must be sound and of sufficient compressive strength (minimum 20 N/mm2) with a minimum pull off strength of 1.5 N/mm2.approved by CFTRI (USFDA-175.300) and complies to ASTM D 2370, etc, non-toxic cured film meets requirements as per IS 9883:1981 The substrate must be clean, dry and free of all contaminants such as dirt, oil, grease etc.Moisture content of substrate surface should not be more than 5%. Colour as approved by Engineer in charge. complete all specified and directed by Engineer-in-charge. Make :Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

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 prevents 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 /coatcomplete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd

M&L for applying 2 coats of hygienic coating on inner walls & floors/bottoms/ceiling of sump/OHT using- 2 part Solvent freee epoxyresin coating for Lining & potable water retaining structures having 100% solid contents, approved by CFTRI (USFDA-175.300) and complies to ASTM D 2370, etc, non-toxic cured film meets requirements as per IS 9883:1981. Coating to be applied after proper surface preparation to remove loose dust, dirt etc. cleaning, mixing using slow speed electric drill and application of 2 coats at 200 microns DFTcomplete all as specified and directed by Engineer-in-Charge . Make : Thermax Ltd Tiki tar Danosa (Pvt) Ltd M/s Hindcon Chemicals Ltd