SPECIAL REPAIRS TO RCC CHAJJAS, CEILING, BALCONY PROJECTION , COLUMNS AND CONNECTED WORKS AT AF STN JAISALMER

Amount

Demolition of cement concrete (reinforced) in roofs, platforms, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work complete all as specified and as directed. .

Reinforced cement concrete (nominal mix) 1:2:4 type B-0 using 12.5 mm graded stone aggregate in beams, cantilevers, bressummers, lintels over 1.5m span and the like complete all as specified and directed. Note:- (i) Reinforcement & formwork shall be measured and paid for separately. (ii) Procurment of sand from Barmer (Sindri) and aggregate from Barmer (Black Granite)

Reinforced cement concrete (nominal mix) 1:2:4 type B 0 using 12.5 mm graded stone aggregate in chajjas complete all as specified and directed. Note:- (i) Reinforcement & formwork shall be measured and paid for separately. (ii) Procurment of sand from Barmer (Sindri) and aggregate from Barmer (Black Granite)

Micro concrete with MICROCRETE at the rate of 25kg per 0.0125 m3 with 20% properly graded 5mm to 10mm silt free aggregate as per manufacturer instructions and mixing concrete with mechanically electrically operated mixer machine etc all as specified and directed. Make: CICO MICROCRETE of CICO Technologies ltd or equivalent in Fosroc/STP/BASF

Rough finished flat formwork to Chajjas, chullah hoods, water troughs and similar items including edges to formwork & necessary struts scaffolding etc complete all as specified and directed.

Mild steel TMT bars 10mm dia and over, 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 complete all as specified and directed. Note : Additional Reinforcement: Check the diameter of the existing rebars and if the diametre is less than 30% of the original diametre, provide additional reinforcement. Cut 10mm dia and over bars as main reinforcement to the required length with proper development length. Tie them to the prefixed shear connectors so that the additional rebar acts monolithically with the existing ones and core concrete.

Mild steel TMT bars 6mm dia and over upto and including 10mm dia in stirrups, spacers and binders , 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 Note : Additional Reinforcement: In the case of the shear reinforcement also, if the diameter of the rebars are reduced, provide 5mm dia and over upto and incl 10mm dia stirrups in the form of 2 "U" shaped bars. Tie them properly so that it has a tight contact with the main bars.

Mild steel TMT bars 6 mm to 8 mm dia., cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or 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. Cut 6 to 8mm dia bars as main reinforcement to the required length with proper development length. Tie them to the prefixed shear connectors so that the additional rebar acts monolithically with the existing ones and core concrete.

8 to 10mm dia rebar using HY-200 chemical from HILITI or equivalent including drilling hole of required sizeand lenght as per direction of Engg-in- Charge in RCC beam/lintel complete all as specified and as directed. Note- Reinforcement shall be measured and paid separately.

Removing of rust from existing steel surfaces with rust removrs of SIKA Rustoff 10 or equivalent in FOSROC/BASF/STP applied two coats @ 0.15Ltr/Sqm per coat and cleanng all rust with steel wire brush and washed with water /chemical complete all as specified and directed.

Anti corressive coating with SIKA Rustoff friazinc or equivalent in FOSROC/BASF/STP on the exposed reinforcement proper mix applied @ 0.25 Ltr Sqm of exposed steel surface as per manufacture's instruction complete all as specified and directed. .

Galvanised welded steel wire fabric as extra reionforcement to RCC members like ceilings, chajja’s, beams, columns parapet walls, waste slab etc including all cutting and waste (wt not exc 4.00 kg/Sqm) complete all as specified and directed.

One coat of epoxy resin (FAIR BOND EP) manually applied on old concrete surfaces @ 0.30Kg/Sqm including preparation of surfaces as per manufacturer's instructions and applying 25mm thick (average thickness) of cement ,sand & Aggregate (1:1.5:3) in ratio aggregate n'less than 6mm size mixed with chloride free concrete plasticiser as per manufacturer's instruction with guniting applying manual and finished the surface even and smooth complete all as specified and directed. Make : Fairmate chemicals or equivalent make of SIKA/BASF/FOSROC/STP.

Taking down cement plaster of any description on brick or stone walls or concrete surfaces etc. including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

15mm thick plaster in cement mortar (1:6) on internal wall surfaces finished even & smooth, without using extra cement complete all as specified and directed.

15mm thick plaster in cement mortar (1:4) on external wall surface finished even & fair without using extra cement complete all as specified and directed.

10mm thick ceiling plaster in cement mortar (1:3) on uneven faces of concrete surfaces of ceiling soffits of chajjas/ drop & roof projectiom facia etc , including taking down old plaster complete all as specified and directed.

Preparation of newly plastered surfaces or unplastered surfase of walls and applying two coats of oil emulsion distemper over a coat of chalk whitening complete all as specified and directed.

Preparation of newly plastered surfaces or unplastered surfase of ceiling and applying two coats of oil emulsion distemper over a coat of chalk whitening complete all as specified and directed.

Preparation of newly plastered wall surfaces and applying two coats of cement based paint (tinted) over a coat of alkali resistant primer as approved complete all as specified and directed.

25mm thick Plain Cement Concrete 1:2:4 type B-0 (using 12.5mm graded stone aggregate) as in levelling coarse in flooring, finished even and rough including demolition of existing concrete complete all as specified and directed.

40mm thick PCC 1:2:4 type B0 (using 12.5mm graded stone aggregate) as in flooring, finished even and smooth with using extra cement including demolition of existing concretecomplete all as specified and directed).

Non skid glazed ceramic tile coloured tiles (1st quality/ premium quality) 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 Sqm but not exc. 0.18 sqm (400x400) as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles laid over and including 15mm thick screed bed or bedding layer of cment mortar (1:6) including dismantling floor, hearth or wall tiling with cement mortar bedding complete all as specified and directed.

Non skid glazed ceramic tile coloured tiles (1st quality/ premium quality) 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.18 Sqm but not exc. 0.36sqm (600x600) as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles laid over and including 15mm thick screed bed or bedding layer of cment mortar (1:6) including dismantling floor, hearth or wall tiling with cement mortar bedding complete all as specified and directed.

Taking down & refixing in the same opening after resecuring or easing & adjusting of shutters of any description exc 1 Sqm but nexc 2 Sqm each complete all as specified and directed.

Cutting holes into or through brick/stone walls built in cement mortar (nexc 400mm thick), superficial area exc 400 Sqcm nexc 0.10 Sqm and making good in cement mortar 1:3 or PCC 1:2:4: type B-1 as required complete all as specified and directed.

Mild steel work conforming to steel of grade Fe - 410W (Gde E-250), as in Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths)as in other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, complete all as specified and directed.

Cutting chases, pinning in, making good to facings as original where required and pointing in cement and sand mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exceeding 10cm girth in stone concrete blocks or slabs complete all as specified and directed.

Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

Prepariation of newly steel surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

S K TRADER

MARUDHARA CONSTRUCTION COMPANY