SPECIAL REPAIR FOR REPLACEMENT OF OLD GI PIPELINES AND CONNECTED WORKS AT ALWAYE, PROVISION OF NEW PATH AND SHIFTING OF EXISTING GATE TO NEW CULVERT AREA AT NAVAL AIR ENCLAVE NEDUMBASSERY AND SPECIAL REPAIR/REPLACEMENT OF EARTHING PITS AND LIGHTNING

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, laying of pipes, cables, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/loose soil complete all as specified and directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified for 50 mm dia bore complete all as specified and directed

All as per item serl No 04 here-in-before but for 25 mm dia bore complete all as specified and directed

All as per item serl No 04 here-in-before but for 20 mm dia bore complete all as specified and directed

Supply and fixing , CPVC Ball Valve outer diameter 20 mm screwed both ends or flanged both ends including taking out existing un serviceable gate valve complete all as specified and directed

All as per item serl No 07 here-in-before but outer diameter 25 mm complete all as specified and directed

All as per item serl No 07 here-in-before but outer diameter 50 mm complete all as specified and directed

Material and labour for PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate for supporting of CI/GI pipes, header etc complete all as specified and directed

Cutting bituminous road/ PCC path way/or any other indicated direction , not exceeding to a width of 0.5 mtr and not exceeding to a depth of 0.5 mtr, laying pipe for UG Cable protection and refilling with the excavated material, watering and well ramming in layers and finishing with 1:3:6 PCC up to a thickness of 100 mm, removing the surplus material away from the site, complete all as specified and directed

Material and labour for construction of one brick massonary valve pit built in cement mortar 1:6 of size 90cm x 90 cm x 105 cm (internal diamension) over 15 cm thick PCC 1:3:6 type C2 sub base extended alround 15 cm beyond external edge of brick work including plastering 15 mm thick in cement mortar 1:4 internally and flush pointing to brick wall surfaces externally as work proceeds complete with MS Sheet cover 10 SWG with handle, angle iron frame 40mm x 40mm x 6mm (grouting with anchor fastionors length not less than 15 cm - 04 Nos) Locking arrangement and painting complete all as specified and directed. (Rate quoted by the tenderer shall deemed to be included the cost of excavation and earth work).

Material and labour for moorum/red bajri filling in floors or pavings, laid in layers n exc. 15Cm thick, spread, levelled and rammed including watering complete all as specified and diretced

Demolition of cement concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and diretced

Material and labour for dismantling floor, hearth or wall tiling including cement mortor bedding complete all as specified and diretced

Material and labour for hardcore with stone of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and diretced

Material and labour 100mm thick PCC type D2, 1:4:8 (40mm graded aggregate) complete all as specified and diretced

Material and labour for filling for 12.5mm Graded coarse aggregate cushing of paver tiles with Spreading and levelling in layers n exc. 25 cm thick in each layer complete all as specified and diretced

Material and labour for machine pressed precast concrete coloured interlocking paver block any shape and size conforming to IS 15658-2006 of 80mm thick M-40 grade etc complete with grey cement and pigment complete all as specified and diretced

Material and labour for cement concrete type B0 1:2:4(12.5mm graded aggregate) in roof kerbs or mud stops,rounded or chamfered on edges complete all as specified and diretced

Material and labour for PCC 1:2:4 Type B-1 100mm thick (using 20mm graded agg.) finishing cement concrete surface even and smooth using extra cement complete all as specified and diretced

Demolition of brick work/solid block work built in cement mortar including all quoins, pillars etc.complete all as specified and diretced

Material and labour for precast cement concrete block masonry with solid blocks, Type C1 1:3:6 using 20mm graded stone aggregate exc. 10cm in width and setting in cement mortar 1:4 complete all as specified and diretced

Material and labour 15 mm thick rendering on concrete surfaces in Cement Mortar 1:4 finished fair and even w/o using extra cement complete all as specified and diretced

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion in Concrete,base concrete, brick work masonry etc and making good disturbed ground complete all as specified and diretced

Material and labour for cement concrete B2 1:2:4 in foundations (40 mm graded aggregate) filling and mass concrete in post holes etccomplete all as specified and diretced

Material and labour for preparation of new 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 completed all as specified and directed

Material and labour for preparation of old painted steel surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint.completed all as specified and directed

Taking down existing steel gates of size upto 50.0 Sqm (2 shutter each 25 sqm approx) using heavy lifting machinery , straightning the members as required welding the loose joints as per standard SOP of welding, making good the rusted portion replacing with steel section of equal size.,all mechanical work using hydra tools, greasing, oiling and aligning complete all as specified and as directed.

All as item ser No 29 here-in-before but refixing only complete all as specified and diretced

Supply and fix framed work as in doors or gates of angle or other 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 and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete Fe 410 -W (Gde-E-250) quality-A complete all as specified as directed.

Material and labour for finishing walls with acrylic smooth exterior emulsion paint of ( as approved/ required shade) of New work over a coat of exterior grade primer (Two or more coat applied @ 1.67 ltr/10 sqm over and exterior primer applied @ 2.20 kg/10 sqm) complete all as specified and directed

Material and labour for stone kerb( granite or trap stone ) of roughly squaredstones of size 20cm x 30cm(length not less than 45cm),dressed so that the maximum depression from a straightedge held against the dressedsurface shall not exceed 6mm for top and exposed surfaces of sides and 20mm for the restof surfaces jointed in cement mortar 1:6 and struck flush complete all as specified and directed

Exacavation in trenches, n exc1.5 m wide and n exc 1.5 m in depth; for foundation, wells, manholes etc. nexc 10 sq m on plan and n exc1.5 m in depth and getting out in hard dense soil complete all as specified and directed

Demolition of reinforced cement concrete of any description and in any position ( reinforcement cut as required to facilitate demolition) not otherwise specifically provided for complete all as specified as directed.

Removing surplus excavated soil to a distance exceeding 250m and not exceeding 500m depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified as directed.

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick complete all as specified.

Material and labour air termination, single pointed, copper rod 12 mm dia and 300 mm long for lightning conductors complete as specified and directed..

Material and labour copper strip 20 x 3 mm with saddles and fixing screws etc for roof conductors and down conductors above ground complete as specified and directed.

Material and labour for test point terminal block made of gun metal or phosphorus bronze size 75x75x25 mm drilled and screwed including 3 numbers 8 mm dia 25mm long hexagonal head screw complete as specified and directed.

Material and labour earthing complete with copper earth plate electrode of size 600mmX600mmx3.15 mm thick buried directly in ground vertically to a depth not less than 2.25 metres below the normal ground level with top edge of the plate not less than 1.5m below normal GL and connected to copper strip of size 20 x 3 mm size by means of bolts, nuts, check nuts and washers of galvanized iron steel all as shown in Electrical Plate No.3 connecting to earthing test point, including necessary earth work in any type of soil, PCC earth chamber made in PCC 1:3:6 type C1 (using 20mm graded aggregate), common salt, charcoal with 150 mm thickness all sides of plate, CI funnel,CI earth pit cover including necessary hinges on one side, including necessry test on completion, all as specified and as directed. Note : (a)The unit rate shall also include for excavation, earth work in hard/dense soil PCC (1:3:6) type C1 pit of size 300x300x300 mm, CI cover slab of 10 mm thick with marking Earthing, GI funnel with 20 mm dia watering pipe, wire mesh, 40 mm dia medium grade GI protection pipe for earth lead etc., complete. (b) Earth resistance should be less than 1-2 Ohm on testing after completion.

Material and labour for chemical earthing complete with copper earth plate electrode of size 90 cm X 60 cm x 5 mm thick buried directly in ground vertically to a depth not less than 3.25 metres below the normal ground level with top edge of the plate not less than 2.35 m below normal GL and connected to copper strip of size 32 x 6 mm size by means of bolts, nuts, check nuts and washers of galvanized iron steel all as shown in Electrical Plate No.3 connecting to earthing test point, including necessary earth work in any type of soil, PCC earth chamber made in PCC 1:3:6 type C1 (using 20mm graded aggregate), common salt, earthing compound (chemical type) bentonite/graphite based with minimum thickness of 150 mm on all sides of plates, CI funnel, CI earth pit cover including necessary hinges on one side, including necessry test on completion, complete as specified and directed. Note :- (a) The unit rate shall also include for excavation, earth work in hard/dense soil PCC (1:3:6) type C1 pit of size 300x300x300 mm, heavy duty CI cover with 10 mm thick marked earth, GI funnel with 100 mm dia with wire mesh and watering pipe 20mm dia medium grade GI protection pipe for earth lead etc., complete. (b) Earth resistance should be less than 1 Ohm on testing after completion.

Material and labour for taking down of old earthing completely, and level the ground including throwing of waste mtrl from site complete as specified and directed.

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