Annual Plan-Annual Plan Kainakary GP Proj no144 Maintenance of Gov.U.P.S Chennamkary-Maintenance work of school in ward 6-General Civil Work

Maintenance of School

OD181489/2025-2026:od788474/2020_2021 :Providing and laying Mangalore pattern Ridge and Hip tiles ( as per approved pattern 20 mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand mixed with 2% integral water proofing compound, laid over a bed of 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete

OD181490/2025-2026:od788474/2020_2021 :Providing and laying Mangalore pattern DEPT;- Ridge and Hip tiles tiles ( as per approved pattern 20 mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand mixed with 2% integral water proofing compound, laid over a bed of 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete

OD181491/2025-2026:od848924/2020_2021 :Providing and laying Mangalore pattern roofing tiles with cement mortar 1:5( 1 cement : 5 fine sand) mixed with 2% of integral water proofing compound by weight of cement, over 12 mm layer of cement mortar 1:3 ( 1 cement : 3 fine sand) and finished neat: With common burnt clay F.P.S. ( non modular) brick tiles class designation 10

OD181492/2025-2026:od848924/2020_2021 :Providing and laying Departmental Mangalore pattern roofing tiles with cement mortar 1:5( 1 cement : 5 fine sand) mixed with 2% of integral water proofing compound by weight of cement, over 12 mm layer of cement mortar 1:3 ( 1 cement : 3 fine sand) and finished neat: With common burnt clay F.P.S. ( non modular) brick tiles class designation 10

10.2:Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

21.5:Providing and fixing powder coated aluminium work ( minimum thickness of powder coating 50 micron) consisting of tee /angle sections, of approved make conforming to IS : 733 in frames of false ceiling including aluminium angle cleats with necessary C.P brass/ stainless steel sunk screws, aluminium perimeter angles fixed to wall with stainless steel rawl plugs @ 450 mm centre to centre and fixing the frame work to G.I level adjusting hangers 6 mm dia. with necessary cadmium plated machine screws all complete as per approved architectural drawings and direction of the Engineer-in-Charge ( level adjusting hangers, ceiling cleats and expansion hold fasteners to be paid for separately ).

12.4.1:Providing ridges or hips width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete.0.80 mm thick with zinc coating not less than 275 gm/m2