GENERAL-Budget 2023-24 - Resurfacing of Harbour Bridge in Ernakulam DistrictSurfacing work to Harbour Bridge from 0/000 to 0/357-General Civil Work

Amount

BridgeSurfacing

OD186103/2024-2025:Micoconcrete with Epoxy bonding agent and Curing compound. Encasing the deterioted surface micro concrete so as to get a uniform size. Appying epoxy bonding agent on the existing concrete surface so as to get a well bonding with the new substract. Curing compund shall be applied immediately after setting the concrete. Two coats of saline based corrosion inhibitor, on the treated concrete surface so as to reduce the chloride ion attack. The rate shall include the cost of material, labour charges, hire charges of mixer machine. All complete as per manufactures specification and as per the instruction of engineer in charge.

OD184679/2024-2025:Cleaning the expansion joint properly with a wire brush and coir brush, fitting aluminum strips dura rod on the joints at 10cm interval for holding the hose, providing polysulphide sealant for expansion joint.etc.complete for expansion joints of the bridge.

OD186106/2024-2025:Thoroughly clean the cracks developed in the existng bridge surface by using hydro blasing /high pressure water jetting clean to remove dust all loose fragmented materials from cracks and the surface

16.8:Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical Specification

5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.

5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

OD186107/2024-2025:Providing and laying 25 mm thick mastic asphalt wearing course with paving grade industrail bitumen (90/15)meeting the requirements given in table 500-29, prepared by using a mastic cooker and laid to the required level and slope after cleaning the surface, including providing an antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into the surface when the temperature of surfaces is not less than 1000C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516

5.3.2.a:Providing and laying bituminous macadam with 80-100 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with a bituminous binder (VG 30), transported to the site, laid over a previously prepared surface with paver finisher to the required grade, level, and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction For Grading II - (19 mm nominal size)

5.6.2.a:Providing and laying bituminous concrete with 80-100 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with a bituminous binder( NRMB) @ 5.4 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level, and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects For Grading - II (13.2 mm Nominal Size)

OD186131/2024-2025:Proving saw cut in concrete surface for expansion jiont up to a depth of 2.5cm and filling the grew with proper filler

OD186132/2024-2025:Engaging welder for repairing the MS sheet by using welding machine and welding rad and fitting the sheet by using bolts

12.8.B.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications <br> PCC Grade M20<br>

OD186387/2024-2025:Providing and fixing DLP Board made of non- reflective type HD Vinyl printed sheeting fixed over Aluminum composite material sheeting 4 mm thick with suitable back supporting frame of MS angle 25x25x3 and supported on GI pipe pole 50mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc. 2 boards of 1200mm x 600mm fixed on one frame

P.P. Aboobacker (BID ID -1999722)

Bidder Name

P.P. Aboobacker

Ashraf K.A.