Retender - 192/2025-2026- Maintenance of Govt.U P S Kalamboor in Ward 20 in Piravom Municipality

Maintanance Works

14.1.1:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

OD440287/2025-2026:Providing and fixing rain water gutter semi circular section using 150mm dia 6kgf PVC pipe including fitting with 32 x 5mm flat supporting at 1m intervals complete as per the direction of engineer in charge at site.

50.18.9.18.2:Providing and fixing PVC pipes including fixing the pipe with clamps/Clips at 1.00 m spacing. This included jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 75 mm dia 4 Kfg/cm2 - External work - Exposed on wall

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

50.6.1.5:Solid block masonry using pre cast solid blocks ( Factory made) of size 30x20x20cm or nearest available size confirming to IS 2185 Part I of 1979 for super structure up to floor two level thickness 20cm and above in: CM 1:6 ( 1 cement : 6 coarse sand) etc complete

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

15.7.1:Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In mud mortar

2.1.1:Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed:All Kinds of soil

OD337249/2025-2026:od1280284/2021_2022 :Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal. Construction of granular sub-base by providing local material spreading in uniform layers manually mixing by mix in place method and compacting with rammers to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408.

OD337262/2025-2026:Providing and laying 60mm thick factory made cement concrete interlocking paver block of M-30 grade made by block making machine with strong vibratory compaction, of approved size, design& amp: shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

13.88:Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

13.112.2:Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shadeOld work (one or more coats applied @ 0.83 ltr/10 sqm).

50.10.1:Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

OD381094/2025-2026:Providing &fixing compact Poly Carbonate plain sheet 3mm thick as approved by the Engineer in charge and should be supplied in a single length of 12m or as decide by the Engineer in charge. The sheets shall be fixed using self drilling/ self tapping screw of size (5.5x 55mm) with EPDM seal complete upto any pitch in horizontal / vertical/ curved surfaces, but excluding the cost of purlins, rafters,trusses and including cutting to size and shapes where ever required.

OD381101/2025-2026:Nursery Art work painting like scenery ,picture ,letter ,cartoons etc using Synthetic Enamel Paint of Approved brand and manufacture of required colour to give best perfection to the pictures over and including base coat of Synthetic enamel paint ,of approved brand and manufacture ,including applying additional coats wherever required to achieve even shade and colour .(excluding primer

11.19.4:Chequered terrazo tiles 22 mm thick with graded marble chips of size up to 6 mm in floors, jointed with neat cement slurry mixed with pigment to match the shade of the tiles, including rubbing and polishing complete, on 20 mm thick bed of cement mortar 1:4 ( 1 cement : 4 coarse sand):Ordinary cement without any pigment