Rehabilitation and Repairing work of Over Head RCC tanks in HWH Division under (i) SSE W DKAE - DKAE New Colony (1) (ii) SSE W BLY - HPL Quarter area -1, NKL Quarter area-1, SIU Quarter area-1, BHR Stn OH tank-1, CGR OH Tank-1, CNS OH Tank-1, HGY OH Tank-1 , (iii) SSE W AZ East Colony/AZ (Infront of ADEN/AZ office) (1), West Colony/AZ (Beside of SSE/Genl/AZ office) (1)

A-SCH-A (NS items including GST)

Razing off old existing unserviceable mixture of cement and fine aggregate(<4.5mm retained on IS Sieve), loose/unsound weaken mixture of cement and coarse Aggregate (>4.5mm retained on IS Sieve),fine Aggregate of any description and in any position from existing external/internal surfaces of RC roof/slab/beams/columns/RC floor or any surface having average depth of 30 mm (Approx height 20m from natural ground level) with power driven of pneumatic chisel and removal beyond MoD land including cutting of all edges, making square shoulders of the aperture, Roughening the smooth surfaces, curettage /removing of all deterioated/decayed on loose surface and applying one coat of styrene butadience polymerized cement mortar modied Ensuring 1 no porosity mpa 366/15/2021 in new/old surface.Compressive strength (N/mm2)3days11.5 (N/mm2 ) @ 28 days 2.5 3.0 Make; Thermax/Torchtar Ltd./Ooms Polymer.redwop.On dilapidated girders or reinforcement encased in concrete for providing and applying of alkaline based Anti oxidizing compound for steel structure conforming to ASTM D 1748-10(2015) after cleaning to loose scale or oxidized chips from bars having specic gravity 1.2 - 1.22 . Make of - Thermax/Torchtar Ltd./Ooms Polymer Ltd.chemco system chemicals .redwop.The material to be applied on the rusted metal using brush. Allow it to react for 16 to 24 hrs pH Value : Alkaline (9.5 - 10) and afterwards wire brushing the surface. Clean with dry cloth before application of protective coating etc.Complete all as specied and directed by Engr-in-charge.Note- this item shall be undertaken by the authorised rep of manufacturer.

M&L for drilling hole in RC using rotating cutting tool up to a profundity of 15 mm and 18 mm dia, expel dust, etc by vacuum cleaner and blowers, providing and fixing of heavy grade hsn 7307 GIP perforated nipple 15 mm dia, 50 mm long, @ 1.0 Mtr. C/C in both direction and injection cement slurry blended with using integral water proofing liquid admixture for mixture of coarse & fine aggregate with cement / mixture of fine aggregate with cement and integral water proofing compound for cement based concrete and mortar Chemical Confirms to IS 2645-2003. having specific gravity 1.1-1.2 gms/cc, chloride content Nil as per IS 2645-2003 & using Acrylic polymer based bonding agent and acrylic emulsion cement modifier and water based concrete bonding agent chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd.redwop having specific gravity of 1.02 using expending power grout admixture with plasticizer and Chemical cementations based plasticized grout admixture cement bag through nipple and closing ends nipple epoxy putty/silica jelly after injecting the chemicals mixed with cement slurry complete all as specified and directed by engineer in charge. Note:- This item shall be undertaken by the authorized rep of manufacture.

M&L for providing and applying passivatingprotective matrix conforming to EN 1504- 7-2006 on corroded visible steel forming acontinuous lm not less than 300 micro ofsingle 3 component. Make ofThermax/chemcosystem/chemicalsTorchtarLtd./Ooms Polymer Ltd or similar makeand preparing the surface to receive theepoxy grout mortor including providingnecessary proportions. Bracing andrunners to relieve the members asrequired and as per design and patternincluding preparing the surface to matchwith the existing surface. Complete all asspecied and directed by Engineer-in-charge.

providing one component chloride free thixotropic bre reinforced polymer modied repair mortar 20mm thick with alkali resistant synthetic fibres for exceptional resistance cracking complies ASTM C 109 with exural strength ASTM C 348 @ 7 days meeting 7N/mm2, tensile strength @ 7days(ASTM C 307)> 3 N/mm2, compressive strength of 35Mpa at 7 day and 45Mpa at 28 days, Adhesion bond strength > 2 N/mm2 ,Creep Strain Reduction - 10% at the outer or inner RC surface 4 mixed with thixotropic bre reinforced polymer modied repair mortar in the ratio 1:4 and mixed with styrene butydiene polymerized cement mortar modier of AR for gauging liquid for cementitious systems.with specially adhered to BS 6319 having specic gravity of 1.025 to 1.04, minimum 43% solid contents) not less than 2% by weight of cement and as per manufactures, instructions. for external or internal surface of RC / slab / beam/columns/facias/floor/ any brick or stone wall surface etc. Make of Thermax/Torchtar Ltd./Ooms Polymer Ltd.webac chemicals .redwop Top surfaces of the plaster shall be nished even and smooth with using extra cement complete all as specied and as directed.Note- this item shall be undertaken by the authorised rep. of manufacturer.

"M&L for providing and fixing welded ms wire cloth with corrosion inhibiting additive, primer mucis for providing and applying passivating protective matrix conforming to EN 1504-7- 2006 on corroded visible steel forming a continuous lm not less than 0.1 of single component. Make of Thermax/chemcosystem/chemicalsTorchtar Ltd./Ooms Polymer Ltd.redwop and preparing the surface to receive the epoxy grout mortor including providing necessary proportions. Bracing and runners to relieve the members as required and as per design and pattern including preparing the surface to match with the existing surface. Complete all as specied and directed by Engr-in- charge.Note- this item shall be undertaken by the authorised rep of manufacturer.of Thermax/or equivalent of Torchtar Ltd./Ooms Polymer Ltd.redwop on observed reinforcement on RC roof/oors/ceilings/ balconies/beam/ columns/facias/floor any brick or stone inner or outer wall surface 5 etc, weighing not less than 1 kg/sqm applying 25mm thick one component chloride free thixotropic fibre reinforced polymer modified mortar, alkali resistant synthetic fibres for exceptional resistance cracking. Repair mortar in the ratio of 0.33:1:4 mixed with cement and fine aggregate(<4.5mm retained on IS Sieve) with liquid water proofing admixture Integral waterproofing liquid admixture for concrete and mortar1000l water Less than 15% as compared to 50% max. allowable under IS:2645 compared to control of make Thermax or equivalent of Torchtar Ltd./Ooms Polymer Ltd.redwop confirms to IS 2645-2003 having specific gravity 1 to 1.2 gm/cc chloride content : Nil as per IS 2645- 2003 & acrylic emulsion based concrete bonding agent and cement modifier tm bond Ar having specific gravity of 1.02) to be applied on surface before application for mixture of cement and fine aggregate , make of Thermax/ or equivalent Torchtar Ltd./Ooms Polymer Ltd.in ratio as per recommendation of manufacturer total chemical not less than 5% by weight of cement complete all as specified and directed by Engineer-in-charge. Note- this item shall be undertaken by the authorised rep of manufacturer. "

M & L for providing and applying Rheoplastic non shrink corrosion resistant, High strength metallic aggregates compound on external or internal surface of RCC roof/oors/ceilings/ slab/ balconies/beam/ columns/facias/ any brick or stone inner or outer wall surface etc, having 6 compressive strength as Bs 4551-80 thickness of 30mm with 1:4 cement mortor mixed wtih metallic aggregates compoud 1:1 and strength (ASTM C 109)-80 Mpa@ 28 days,Tensile strength 2.0N/ mm2 @ 28 days (ASTM C 348)- 4Mpa @ 28 days, Young's modulus -27 KN/sqmm(ASTM D469), Expansion charactristics(ASTM c 827-1987) Unrestrained expansion upto 4% pressure to restrain plastic Expansion -Approx. 0.004 N/spmm make of Thermax/chemco system/Torchtar Ltd./OomsTorchtar Ltd..STP,redwop before pouring it is recommended to apply granolithic E-Resin based solvent free concrete bonding agent/EP in accurate proportion with complete homogenesity. make of Thermax//Torchtar Ltd./Ooms Polymer Ltd.Webac Chemicals redwop having mix density of 1.45 to 1.5 kg/litre, Compressive strenth(BS 6319 pt.2)-40 Mpa at 7 days, Flextural strength (BS 6319 pt.3)- 25 Mpa at 7 days, Tensile strength(BS 6319 pt . 7)-15Mpa at 7 days, Bond strength(ASTM C 881)-11 N/sqmm at 7 days, having an over lay time of 03 hrs at 30 C. pouring of using suitable arrangement as required using pumping device for uniform ow of . ensuring proper bond between the metallic aggregates(Mixed density @ 27OC) Approx. 0.004N/mm2. 10 - 12 x 10-6 / OC.1.5 W/mOC2200 - 2300 k and existing concrete substrate etc. complete including all tools and tackles as directedby Engr-in-charge.Note- this item shall be undertaken by the authorised rep of manufacturer.

fastening to concrete for drilling hole chemical anchoring of reinforcement on existing column/ beam/wall/ beams with Hilti HIT-HY70 BS 5080 or equivalent in thermax. Make- 7 Thermax/chemco system/webac chemicals/STP,redwop maximum hole depth 75mm, steel bar 12mm dia and drill bit size 14mm 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 specied and directed by Engr-in-charge.Note- this item shall be undertaken by the authorised rep. of manufacturer.

M & L for applying two coats of high performance cement using cementations two components acrylic modified elastomeric water proofing coating with corrosion protection and elastomeric water proofing membrane coating on RC roof/ceilings/ floor/slab/ balconies/beam/ columns/facias/any brick/Concrete/stone inner or outer wall surface etc. make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. redwop Chemical complies to ASTM D4541 ASTM C836, DIN 1.048p 5 ASTC D412 having shore hardness D Scale = 20 Non Volatile, low Temperature Feasibility Test, Tensile strengh > 0.4 Mpa, Elongation > 20% Cleaning, mixing using slow speed electric drill and application of 2 coats complete.M & L fo polymer modified rendering in cement mortar 1:4 mixed 8 with using integral water proofing liquid admixture and compond based concrete and mortar Chemical conforming to IS 2645 - 2003 of Thermax/Torchtar Ltd./Ooms Polymer Ltd.redwop as approved b y Engineer-in-charge @ 200m1/50dg per bag of cement as per manufacturer's instructions over a coat of using Acrylic polymer based Bonding Agent and acrylic emulsion cement modifier and water based cement bonding agent chemical of Thermax/Torchtar Ltd./Ooms Polymer Ltd. redwop having specific gravity of 1.02, not less than 8% by weight of cement of as per manufacture's instruction for internal and external surface of RC Roof / Slab/Beam/Column/Facias/any brick/Stone /Concrete surface etc. Top of the Surface shall be furnished even and smoother with extra cement including all finishing the surface of match with the existing surface complete all as specified and directed by Engineer-in-Charge.Note- this item shall be undertaken by the authorised rep of manufacturer.

M&L for providing and applying two coat of using water based Aliphatic & anti carbonation protective and decorative coating for concrete/ Masonary, Acrylic emulsion Sealer Coat Cum Primer chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd.redwop as approved having High performance Water Based aliphatic protective coating to uncovered concrete & masonary 9 surface after proper surface Preparation, cleaning of dust, dirt etc. System should be application of Thermax/Torchtar Ltd Ooms,redwop Polymer Ltd. / - water based acrylic polymer primer cum sealer coating on prepared surface and application of 2 coats of using water based Aliphatic Protective anti carbonation protective and decorative coating for concrete / Masonary and interior / exterior water base primer chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd.redwop at 260-280 microns DFT @ 200 microns WFT using suitable brush or roller complete all as specified and directed by Engineer-in- Charge.Note- this item shall be undertaken by the authorised rep of manufacturer.

M & L for Mending to cracks and existing deteriorat surface of RC roofs slabs, RC and similar work up to 15mtrs height from normal ground level by structural strengthening with 10 application of expanding powered or dual shrinkage compensating non shrink free ow plasticized grout. Make of Thermax/chemco system/webac /Torchtar Ltd./Ooms Polymer Ltd.chemicals/STP.redwop as directed by GE. Complete all as specied and directed by Engr-in- charge. Note- this item shall be undertaken by the authorised rep. of manufacturer.

M & L for curing of the surface using viscosity alkali reactive wax based concrete curing compound eciency; Make of Thermax/chemco system/ webac chemicals/STP/Torchtar Ltd./Ooms Polymer Ltd. redwop.complies with the internatinally recognised ASTM C309-90 standards typically within the range of 200 to 285 ml/m2 including all tools and tackles.Complete all as specied and directed by Engr-in-charge. Note- this item shall be undertaken by the authorised rep. of manufacturer.

On dilapidated girders or reinforcement encased in concrete for providing and applying of alkaline based Anti oxidizing compound for steel structure conforming to ASTM D 1748- 10(2015) after cleaning to loose scale or oxidized chips from bars having specic gravity 1.2 - 1.22 . 12 Make of - Thermax/Torchtar Ltd./Ooms Polymer Ltd.chemco system chemicals .redwopThe material to be applied on the rusted metal using brush. Allow it to react for 16 to 24 hrs pH Value : Alkaline (9.5 - 10) and afterwards wire brushing the surface. Clean with dry cloth before application of protective coating etc.Complete all as specied and directed by Engr-in-charge.Note- this item shall be undertaken by the authorised rep of manufacturer.

M&L for providing and filling to RC/ walls/ ceiling/ columns/ beams/floor/bricks cracks after opening up in "V" groove manner covering the area of 300mm from central line of crack with 13 the depth of 8 mm complete with three components compound graded filler, E-Resins and thixotropic agents with adjustable consistancy by varying the filler component epoxy resin based. Make of -Thermax/Torchtar Ltd./Ooms Polymer Ltd.redwop by Engineer-in-charge. Note-this item shall be undertaken by the authorized rep. of manufacturer.

M&L for providing fixing welded ms wire fabric weighing < 1 kg/sqm with anti corrosive primer applied and applying Rheoplastic non shrink, corrosion resistant, High strength metallic aggregates compound on all structural members ,one component cementious micro thixotropic non shrinkage mucis having compressive strength as Bs 4551-80 thickness of 25-30mm with 1:1:4 cement mortar and strength (ASTM C 109)-80 Mpa @ 28 days, Tensile strength 2.0N/mm2 @ 28 days (ASTM C 348)- 4 Mpa @ 28 days, Flextural strength 10N/mm2 (ASTM C 348)-11 Mpa @ 28 days, Young's modulus -27 KN/sqmm (ASTM D469), Expansion charactristics (ASTM C 827-1987) 14 Unrestrained expansion upto 4% pressure to restrain plastic Expansion -Approx. 0.004 N/sqmm ,before pouring metallic aggregates it is recommended to apply granolithic E-Resin based solvent free concrete bonding agent in accurate proportion with complete homogeneity having mix density of 1.45 to 1.5 kg/litre, Compressive strength (BS 6319 pt.2)-40 Mpa at 7 days, Flextural strength (BS 6319 pt.3)- 25 Mpa at 7 days, Tensile strength (BS 6319 pt.7)- 15 Mpa at 7 days, Bondstrength (ASTM C 881)- 11 N/sqmm at 7 days, having an over lay time of 3 hrs at 30 C Make- Thermax/Torchtar Ltd./Ooms Polymer Ltd. redwop complete including all tools and tackles as directed by Engineer-in-charge. Note-this item shall be undertaken by the authorized rep. of manufacturer.