REPAIR/MAINTENANCE WORK OF MAIN DRAIN CONNECTED TO 20 FEET CANAL/ SEA,DESILTING OF DRAIN, CULVERT, GRILLS/ GRATTING, COVER SLAB FROM WAR MEMORIAL TO MALABAR GATE AND TRAVANCORE GATE TO WAR MEMORIAL AOR OF AGE B/R II UNDER GE(NW) AT NAVAL BASE KOCHI

Amount

Demolition of brick work/PCC block masonry, built in cement mortar complete as specified and as directed.

M & L Pre cast cement concrete block masonry with solid blocks exc 10 cm in width and setting in mortar 1:4 using type C1 1:3:6 (20 mm graded stone aggregate) as specified and as directed.

M&L for cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate, as in coping including necessary form work including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

Material and labour for rendering in cement mortar 1:4 ,15 mm thick on fair faces of brick work or concrete surface finished even and smooth without using extra cement all as specified and as directed.

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

M&L for Extra for forming fair finished drain or chanel of 30cm inner girth in cement concrete using extra cement including forms moulds etc all as specified

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided etc complete all as specified and as directed.

M&L for 75mm thick Plain Cement Concrete type C-1, 1:3:6 (20mm graded stone aggregate) as in floors, plinth protection etc. finished even & fair without using extra cement complete as specified and as directed.

Cleaning of culvert and covered drains of any size incl removal of RCC cover slab and refixing in same position after the cleaning incl necessary minor repairs to wide wall of brick masonry/concrete incl setting and joining the cover slab in cement mortar 1:6 and removing the silt and dirt to a distance n.exc 50M from starting point and disposed off (span of culvert upto 1m) as specified and as directed.

Removal of Silt, debris, mud & vegetation received during cleaning of covered drain and culverts the same shall be remove to a distance exe 50m but n exc 250m from starting point and dispose off all as specified and directed

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar, 100mm pipe as specified and as directed.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar, 150mm pipeas specified and as directed.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar, 200mm pipe as specified and as directed.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors/walls weep holes, etc as required, dia of pipe 110mm as specified and as directed.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors/walls weep holes, etc as required, dia of pipe 75mm as specified and as directed.

S & F 150 mm dia of PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floorscomplete all as specified

M&L for Reinforced concrete pipes class NP 2 of 200 mm dia laid and jointed complete with collars as specified and as directed.

M&L for plain cement concrete bed to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested; in PCC 1:3:6 type C2 with 40mm graded aggregate, dia of pipe 200mm as specified and as directed.

M&L cement concrete bed to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested; in PCC 1:3:6 type C2 with 40mm graded aggregate, dia of pipe 150mm as specified and as directed.

M&L cement concrete bed to drain pipes including packing under, and completely surrounding pipes with concrete after they are laid and tested in PCC 1:3:6 type C2 with 40mm graded aggregae dia of pipe 200mm as specified and as directed.

M&L cement concrete bed to drain pipes including packing under, and completely surrounding pipes with concrete after they are laid and tested in PCC 1:3:6 type C2 with 40mm graded aggregae dia of pipe 150mm as specified and as directed.

M&L for cutting into the manholes for connecting new drains,making good to pipe and rendering cutting out existing benching for and forming branch channel(1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished,and reforming benching as required of up to 200 mm bore as specified and as directed.

Excavation over area, n exc 1.5m deep and getting out in soft loose soil as specified and as directed.

Excavating in trenches , n exc1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc1.5 m in depth and getting out in soft/loose soil complete all as specified

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm thick as specified and as directed.

Removing excavated material to a distance 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.

Removing excavated material to a distance exceeding 50 m and upto a total distance of 250 m complete all as specified and directed.

Removing excavated material to a distance exc. 250 m but n exc. 500 m and depositing where directed

M&L for hard core of broken stone of gauge n exc 63mm, deposited, spread and levelled in layers n exc 15cm thick watered and rammed to a true surface as specified and as directed.

M & L for PCC 1:4:8 type D2 using 40 mm graded stone aggregate as in foundation and mass concrete complete all as specified

M & L for Use and waste of formwork of sides of concrete foundations, footing, bases of column,raft and raft beams, side and soffits of foundation and plinth beam and similar work for rough finished surfaces of concrete complete all as specified and directed

M & L for Use and waste of formwork of faces of walls, retaining walls, work for fair finished surfaces of concrete complete all as specified.

M & L for Formwork to sides and soffits of floor or roof beam, beam haunching, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs etc for fair finished surfaces complete all as specified

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

M & L for Precast reinforced cement concrete 1:2:4 type B1 using 20mm graded granite/ trap stone aggregate as in cover slabs (for manholes etc) set in cement mortar 1:4 including form work all as specified and directed. Note:- Reinforcement shall be measured and paid separately.

M & L for Reinforced cement concrete type B1 1:2:4 using 20 mm graded stone aggregate as in footings, base slab, foundation,beams, plinth beams, bases for columns complete all as specified. Note:- Reinforcement and forwwork shall be measured and paid separately.

M & L for reinforced cement concrete type B1 1:2:4 using 20 mm graded stone aggregate as in Walls, Reataining walls ballast wall, and any thickness above above top of footing complete all as specified. Note:- Reinforcement and forwwork shall be measured and paid separately.

M&L for reinforced cement concrete type B1 1:2:4 using 20mm graded stone aggregate as in deck slab supported on walls beams etc. complete all as specified. Note:- Reinforcement and forwwork shall be measured and paid separately.

M&L for concrete type B1 1:2:4 using 20mm graded stone aggregate as in lintel beam and copings complete all as specified. Note:- Reinforcement and forwwork shall be measured and paid separately.

M & L for 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 as specified and as directed.

All as above item no.40 but 5mm dia an over upto including 10mm dia in stirrups, spacers and binders as specified and as directed.

Dismantling wrought iron or mild steel work of any description not otherwise for

M & L for Framed work such as grills, gratings etc., with ends of bars shouldered and/or riveted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 410-0 or Fe 310-0 complete all as specified and directed.

M&L for preparation of new Surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of anti corrosive Epoxy paint over a coat of Epoxy primer, over a coat of red oxide on steel surfaces complete (Make-Asian Apcolite or Equal from Berger, Nerolac) as specified and as directed.

Destruction of growth of weed plants with roots from on the roof top of bldgs and the walls of bldg, at any position and height, by completely removing the growth and applying 2.40 'D' oil mixed with Veedol chemical solution and sprayed on and around roots and at places of possible growth of weeds and making good damaged surfaces in cement mortar 1:4 of PCC 1:1 1/2:3 as required and directed

Demolition of cement concrete (unreinforced) in ground floor and in paving not exceeding 15cm thickness ( below or above ground level) complete all as specified and directed by Engineer-in-charge.

M&L for 75mm PCC 1:4:8 Type D-2 using 40 mm graded stone aggregate as in Sub base flooring as specified and as directed.

Providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc.,of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand;

Providing and laying 80mm thick factory made chamfered edge cement concrete paver block of M-30 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of coarse sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand; complete.

Removal and refixing of Machine pressed precast concrete interlocking paver block any shape and size confirming to SI 15658-2006 of 60mm thickness, with grey cement and pigment as specified and as directed.

M & L Machine pressed precast concrete interlocking paver block any shape and size confirming to SI 15658-2006 of 80 mm thickness, with grey cement and pigment as specified and as directed.

Removal and refixing pressed precast concrete interlocking paver block any shape and size confirming to SI 15658-2006 of 80mm thickness, with grey cement and pigment as specified and as directed.

M & L Machine pressed precast concrete interlocking paver block any shape and size confirming to SI 15658-2006 of 80mm thickness, with grey cement and pigment

M&L for Coarse aggregate for granolithic floors graded from 12.5mm to 4.75mm under floors or in foundations spreading and levelling in layers n exc. 25 cm thick incl well ramming including watering as required complete all as specified and directed.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete.

Dismantling floor tiling including cement mortar bedding and rubbish off the premises as specified and as directed.

M&L for chequered cement concrete tiles 30cm x 30cm x 25mm thick, set, jointed and pointed in neat cement with grey cement and no pigments in floors incl screed bed or bedding layer of mortar 20 mm thick in CM 1:6 for laying floor finishes as specified and as directed.

M&L for preparing old painted steel and Iron surfaces of any description over 10 cm Width /Girth and applying one coats of synthetic enamel paint of any tint complete all as specified and directed.

Anaswara Constructions (BID ID -3482863)

Oriental Constructions (BID ID -3481777)

OM INFRA (BID ID -3488168)

Powertech Engineers (BID ID -3482944)

M/s ANTONY THOMAS AND CO (BID ID -3488517)

Neptune Engineers and Builders (BID ID -3483203)