SPL REPAIR OF OH TANK AND UG SUMP AT RESERVOIR PUMP HOUSE AT NASIRABAD MIL STN UNDER GE NASIRABAD

M&L MS props (upto top height of OHT) errecting for temporary supports to the structural members like beams, slabs etc to relieve the load on the members during breaking of damaged concrete, removal grouting, excavation or any dismantling work as per the instrucion of Engr-in-Chrge. Three supports shall be provided either in the form of props or trestles fabricated using structural steel complete all as specified and directed.

M&L chipping of 50mm average thickness unsound/weak concrete material from slabs, beams, columns etc with manual chise; and/or by standrd power driven percussionn type or of approved make including tepering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and re-inforcement with wire brushes etc and disposal of debries for all lead and lifts complete all as specified and directed.

M&L cleaning and applying rust remover (CICO cleaner rust) in two coats over rusted reinforcement surface and providing anti corrosive coating with two component epoxy based zinc rich primer/rust passivation inhibitor coat at the rate of 6-8 sqm/ltr not less than 50 mocron dft with CICO ZINCLATE-500 or equivalent to reinforcement surfce as per manufacturer's instructions including all scaffolding, machinery, tools takles and clearing of debries complete all as specified and directed. Make : CICO clean-O-rust, CICO ZINCLATE -500 or equivalent in CICO/Fostoc/MYK arment/BASF.

M&L mild steel TMT bars 10mm dia and over, cut to length bent to shape required, including crankin, emding spiraly for hooping for columns, hooking ends and binding with nd including mild steel wire (annealed) not less thn 0.9mm dia ro securing with clips complete all as specified and directed. Note :- Additional reinforcement check the diameter of the existing rebars and if the diameter is less than 30% of the original diameter, provide additional reinforcement to the required length with proper development length to the prefixed sher connectors so that the additional rebar acts monolithically with the existing ones and core concrete.

M&L of mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrus, spacers and binders cut to length, bent to shape required, including cranking bending spirally for hooping for columns, hokking 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 directed. Note : Additional re-inforcement in the case of the shear reinforcement also, if the diameter of the rebars are required, provide 8mm di stirrups in the form of 2 "U" shped bars, properly so that it has a tight contact with the min bars.

M&L shear connector, by drilling 10mm dia holes upto a depth of 7mm maximum and fixing 8mm dia 'L' shaped anchor rodsas shear connectors at every 300mm C/C on the surfaces of the ceiling, columns, beams, sunshades, balconies or any other structural member as the case may be clean the same using air or blower and make sure that there are no fine particles present in the hole and filled the holes with using two component styrene free vinyl ester resign anchor compound of approved make but excludin the cost of reinforcement complete all as specified and directed. Make : CICO or equivalent in Fosroc/Hilti and master builder (BASF). Note : Re-inforcement shall be paid seperately under item No-05 above.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm or as per 100 fromula in RCC beams, lintels, columns, beams, sunshades, balconies including fixing the steel bars in position using two components, styrene and cement free epoxy-acrylte fixing and nchoring compound of approved make but excluding the cost of re-inforcement, upto and including 16mm dia complete all as specified and directed. Note : Steel/reinforcement shall be paid and measured sepertely. Make : CICO or equivalent in Fosroc/Hilti and master builder (BASF).

M&L applying pre-weighed and pre-packed epoxy bonding agent on the chipped/prepared old surface of concrete/masonary which going to receive new polymer modified mortar or micro concrete, which confirm comparessive strength BS 6319 Pt 2 : 40 N/mm2/Flexural stregth BS 6319 Pt3 : 25N/mm2/Bond Stregth ASTM C881 : 11 N/mm2/Tensile strength BS 6319 Pt 7 : 15N/mm2 of approved make CICO/Fosroc/MYK/arment/BASF.

M&L providing leak proof shuttering in any position cut to length and providing including runners supports as per manufacturer's instructions and including all necessary scaffolding, machinery, tools tackles and men materials complete all as specified and directed.

M&L providing Micro concrete with CICO MICROCRETE at the rate of 25 kg per 0.0125 cum with 20% properly graded 5 to 10mm silt free aggregate as per manufacturer instructions and mixing concrete with machanically electrically operated mixer machine etc all as specified and directed. Make : CICO/Forsoc/MYK arment/BASF Note : Necessary scaffolding upto height 18M provided by the contractor)

M&L applying to the damaged concrete portion of slab/columns/beams/chajjas/parapet/roof projection/balcony/staircase with single component, fibe reinforced, dual shrinkage compebsated thixotropic, cementitious patch repair mortar CICO repocem PM (having the technical parameters mentioned in material specifictions) capable of applying upto 25-30 mm thick in double layer initially by hand and finishing with troweled caarefully compacting the same around the rebar and finishin to bring it in line with existing concrete surface with an average specified thickness and equivalent of Forsoc Renderoc/MYK aarment/BASF complete all as specified and directed.

M&L rendering 15mm thick on concrete surface in cement mortar 1:4 including water proofing compound and finished even and smooth without using extra cement complete all as specified and directed. Note : WPC shall be paid seperately.

Supply only liquid waterproofing compound @ 100ml per 50 kg cement used. Make : (IWC) CICO- SUPER or equivlent in CICO /Forsoc/MYK arment BASF. Note : WPC to be used in rendering by mixing under item No-12 and 13 above.

CEMENTITIOUS ELASTOMERIC SLURRY COAT : M&L water proofing treatment inside the tnk by applying first grde, acrylic based polymer modified cementitious elastomeric flexible composite coating system consisting of applying, first coat applying with CICI TPECRETE P-151 OR equivlent in FOSROC/MYK arment/BASF, mixed with neat fresh cement in the ratio of 1:1 by weight after dust free and moist the surface. Laying second layer of Fiber glass cloth of 45 GSM when the first layer is still green, overlaps of joints of fiber coth should not be less than 10cm, appying final layer of cementitious elstomeric flexible composite coating system. The whole terrace so finshed shall be flooded with water fo a minimum period of 24 hours for curing and for final test complete all as specified and directed.

M&L high performance water based alphatic acrylic-based protective and decorative coating an Anti-carbonation coating on structure's column till footing to prevent them from aggressive elements, it protects atmospherically exposed reinforced concrete structures from attack by acid gases, chloride ions, sulphates, oxygen and water. The product is also suitable to protect other cementitious substrcts and masonary, it is equally suitable for new and existing structures, CICO GUARD-WS is an alphatic acrylic, water based protective coating, providding an outstanding resistance to aggressive elements, UV-light and rain, DRY FILM THICKNESS should be 150 microns in two coats with THEORETICAL COVERAGE OF 4 Sqm/Kg complete all as specified and directed. Make : CICO or equivalent in Fosroc/MYK arment/STP

M&L RCC M-30 design mix using (20mm graded stone aggregate) as in slabs supported on walls, beams and columns in floors, roofs, landings, balconies , canopies, deck slabs and in shelves and the like complete all as specified and directed.

M&L RCC M-30 design mix using (20mm graded stone aggregate) as in beams, cantilevers, bressummers, lintels over 1.5 m span complete all as specified and directed.

M&L RCC M-30 design mix using (20mm graded stone aggregate) as in coloumns, pillers, piers post and struts complete all as specified and directed.

Use & waste Formwork to soffits of suspended slabs such as flat roof slabs, floor slabs, landings and similar work not exceeding 200mm thick for fair finished surfaces (Horizontal or sloping) complete all as specified and directed.

Use & waste Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc also splays beween floors and beams fair finished surfaces etc complete all as specified and directed.

Use & waste Formwork to sides of pillars, posts, struts, piers, columns and stanchions fair finished surfaces complete all as specified and directed.

Use & waste Formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs n.exc 20cm wide and sides of RCC/PCC bands in walls, horizontal or sloping and similar work exc 10cm but n.exc 20cvm wide fair finished surfaces complete all as specified and directed.

Demolition of re-inforced cement concrete is re-inforced (re-inforced cut as required to facilitate demolition) complete all as specified and directed.

M&L machine cut Kota stone slab flooring 18-20 mm thick over 15mm thick screed bed in CM 1:6, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete all as specified and directed.

Dismantling of fencing wiremesh , any type complete all as specified and directed.

Dismantling of fencing posts or struts RCC any section including taking out embedded portion and making good disturbed ground embeded in Concrete, brick work, ground masonry, etc. complete all as specified and directed.

Excavation in post holes (or similar holes) each n exc 0.5 cum getting out, returning, filling in and ramming earth and removing surplus soil to a distance n.exc 50 m in soft/loose soil complete all as specifid and directed.

M&L PCC 1:4:8 , type D-2, using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete complete all as specified and directed.

M&L PCC 1:3:6 , type C-2, using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete complete all as specified and directed.

M&L MS work for fencing post /gates and struts made from angle iron and flat iron in any section including cutting tops to shape , drilling holes and notching for fixing of wires etc confirming to Fe -290 or Fe -330 complete all as specified and ditrected.

S & F in repair Galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails strain- ing bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured) complete all as specified and directed.

Supply only chain link MS galvanised fencing ,any size or type complete all as specified and ditrected

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts etc including provision of binding wire complete all as specified.and directed

Supply and fixing for 3.15 mm dia galvanised medium coated as per IS 4826 steel wire as required for fixing chain link fencing etc complete all as specified and directed.

M&L 5 to 10 mm dia mild steel screw bolts (machine made) with hexagonal or square head at one end and screwed the other, or screwed both ends each screwed end to be fitted with washers etc complete all as specified and directed.

M&L preparation of new steel surfaces over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Dismantling structural steel work including doors, gates but excluding framed truss etccomplete all as specified and directed.

M&L Framed work as in doors or gates of angle of othger section with gusset plates ,rails braces etc complete drilled for fixing of steel sheeting or other covering Doors etc to be prepared for hanging or sliding with or including either hooks and hinges or steel hanging door fitings (exclusive of steel sheeting or other covering,running rails and guides) and hanging also fastening and fixing complete all as specified and directed.

M&L for 75mm thick cement concrete type D-2 1:4:8 (using 40mm graded stone aggregate) in sub base of flooring/ hard standing complete all as specified and directed.

M&L machine pressed precast concrete reflective type interlocking paver block any shape and size confirmeing to IS-15658-2006 of 60 mm thick, M-35 grade with grey cement and pigment over 50 mm thick sand cushioning, etc complete all as specified and directed.

M&L for PCC 1:2:4 Type B-1 (using 20mm stone crushed agg.) as in rounded or chamfered on edges in any description complete all as specified and directed.

M&L precast cement concrete 1:2:4, type B-1, in kerb stone set in cement mortar 1:6 complete all as specified directed.

Demolition of brick work or stone/boulder masonary built in cement mortar of any specification and in any position complete all as specified and directed.

M&L brick work with flyash old size bricks, straight or curved on plan exc. 6mm mean radius, built in in cement mortar 1:6.complete all as specified and directed.

M&L rendering in cement mortar (1:6), 15mm thick on other than fair faces of stone masonary surfaces finished even and smooth without using extra cement, complete all as specified and directed.

M&L 10mm thick rendering in cement mortar (1:4) mixed with cement on fair faces of brick work or concrete surfaces, finished even and smooth complete all as specified and directed

M&L preparation of newly plastered wall surfaces and applying two coats of cement base paint over a coat of primer, complete all as specified and directed.

M&L complete removal of existing treatment preparation and applying finishing walls, bottom of OH tank, sides,building with Premium Acrylic Smooth exterior paint with Silicone additives of required shade: New work (Two or more coats applied @1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) complete all as specified and directed. Note : Height covered upto 18 M with follow complete necessary safety measures by the contractor).

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

M&L for cement concrete 1:2:4 type B1 (20mm graded aggregate) 100mm thick as in flooring finished cement concrete surface even and smooth without using extra cement complete all as specified and directed

Dewatering/cleaning of existing OH tank upto capacity 100000 (one lakh gallon) upto height 24.00 M including sand, sludge, algee etc and required scaffolding and other safety measures provided by contractor complete all as specified and directed. Note : Removal items nay type should be thrown away at least 500M away from existing site.

Dewatering/cleaning of existing under ground sump upto capacity 500000.00 (five lakh gallon) upto depth 8.00 M including sand, sludge, algee etc and required scaffolding and other safety measures provided by contractor complete all as specified and directed