SPECIAL REPAIR TO CERTAIN DRAIN LINES AND SEWAGE CHAMBERS AT NAD MUMBAI, AND WIDENING OF STROM DRAINAGE LINE AT VARIOUS AREA FROM TIGER GATE TO WET BASIN AT NAVAL DOCKYARD MUMBAI

Excavating in trenches n exc 1.5m wide & n exc 1.5m in depth; for foundation, etc. or for manholes n.exc.10 Sqm on plan and n.exc.1.5m in depth and getting out in hard/ dense soil complete all as specified and directed.

Excavating in trenches not exceeding 1.5m wide & exceeding each additional 1.5m in depth beyond the fisrt 1.5 m ; for foundation, etc. or for manholes getting out in hard/ dense soil complete all as specified and directed.

Demolition of brick work or stone masonary built in cement mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete articles including removing debris out side MD land complete all as specified and directed.

Demolition of Cement concrete in any description and in any position and removal of debris to out side MD land complete all as specified and directed.

Demolition and breaking up sewage pipes (SWG) set in cement mortar, internal dia of pipe 150 mm including removing rubbish outside MD land Note: The place of disposal shall be find out by the contractor.

M&L for PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) as in foundations, filling ad mass concrete, complete all as specified and directed.

M&L for PCC 1:2:4 type B-2 (using 40mm graded stone aggregate) as in surface chanels and drains etc. , complete all as specified and directed.

Material and labour for brick work with sub class "B" bricks, straight or curved on plan exc 6m mean radius,in half brick wall built in CM (1:4),complete all as specified and directed.

M&L for rendering 15mm thick on brick work or concrete surfaces in cement mortar 1:4 finished even and fair including mixing integral water proofing compound in the proportion as mentioned in manufacturer's instructions & , complete all as specified and directed.

M & L for concrete bed to sewage pipes including packing under and completely surrounding pipes with concrete after they are laid and tested in cement concrete 1:3:6 type C-2 ,dia of pipe 150 mm

M & L for reinforced concrete pipes, class NP-2 laid and jointed complete with collars, internal diameter of pipe 150 mm complete all as specified and directed.

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

Removing excavated materials (soils) outside MD land complete all as specified. Note: The place of disposal shall be find out by the contractor complete all as specified and directed.

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

Dismantling stone slabs and tiles of any description or thickness in floors laid bedded and pointed in any mortar, including removing debris out side MD land complete all as specified and directed..

M&L for Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M-35 grade confirming to IS 15658-2006 made by block making machine with strong vibratory compaction, of approved colour, and patteren all as specified and directed.

M & L for 25 mm thick Sand filling under floors or in foundations including watering and consolidation all as specified and directed.

S & F cast iron drain cover with frame including fixing in position, painting with black bituminous anti crossive paint complete all as specified and as directed

M&L for Rolled sections Joist, chanel, angle or tee sections, fixed independently with out connecting plate Fe 410W Gde E-250) complete all as specified and directed.

M&L for Mild steel framed work such as grills, gratings, etc. with ends of bars shouldered and/or riveted or forged into spikes, framed guard bar; barred iron doors; ladder; framed balusters; railing;frame work for water tanks and similar work conforming to Fe 290 Gd E-165complete all as specified and directed.

M&L for preparing new or previously untreated steel surface of any description, over 10cm in width or girth and applying two coats of synthetic enamel paint over one coat of red oxide zinc chromate primer complete all as specified and directed.

M&L for 200 mm thick of soling ( sub base) with broken boulders or quarried stone, filled surface formed and rolled and compacted to a requied gradient and camber complete all as specified and directed.

M & L for 100 mm thick (compacted thickness) WBM, with coarse aggregates of granite, trap or basalt of grading 2 (63 to 45 mm size) or of grading 3 (53 to 22.4 mm size), spread, rolled and compacted to required gradient and camber with three wheel-power roller of 80 to 100 kN capacity or an equivalent vibratory roller complete all as specified and as directed.

M&L for preparing unsurfaced water bound macadam surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. complete all as specified and directed.

M&L for applying evenly a tack coat with paving bitumen of VG-30 grade at 10kg per 10 sqm with the help of pressure sprayer complete all as specified and directed.

Material & Labour for Bituminous premix asphaltic semi dense concrete 40 mm consolidated thickness by using paving bitumen VG-30 grade with 6 % binder content by weight of total mix , laying with mechanical paver, rolled and compacted to required camber and gradient by using 8 to 10 tonne capacity power roller complete all as specified and directed. Note- i) Semi dense bituminous concrete shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. ii) The exact bitumen content required shall be determined following the Marshall mix design procedure contained in the Asphalt Institute Manual MS-2 ( Sixth Edition) as referred in case 3.5.3 of IRC 111: 2009, The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of Rs 60.00 per Kg. No claim whatsoever shall be made for adjustment in plus side.

Dismantling wrought iron or mild steel work of any description complete all as specified and directed..

M&L for cleaning & desilting of manholes of any shape containing exceeding 1.0 cum but not exceeding 1.50 cum sludge each, by pumping out/ removing liquid waste/ sewage & plugging the ends of sewer pipes or diverting the flow into drains if necessary, removing silt, sludge etc, sprinkling bleaching powder on the silt to avoid bad smell including all precautionary and safety measures, such as safety belts, lighting arrangements, face mask etc and removing the silt, sludge & other waste material in leak proof trucks covered with tarpaulin outside MD land all as per existing rules and regulations of civil authorities and cleaning the manholes with fresh water complete all as specified and directed by Engr-in-Charge. Note: The place of disposal shall be find out by the contractor.

M&L for cleaning & desilting of manholes of any shape containing exceeding 1.5 cum but not exceeding 3.0 cum sludge each, by pumping out/ removing liquid waste/ sewage & plugging the ends of sewer pipes or diverting the flow into drains if necessary, removing silt, sludge etc, sprinkling bleaching powder on the silt to avoid bad smell including all precautionary and safety measures, such as safety belts, lighting arrangements, face mask etc and removing the silt, sludge & other waste material in leak proof trucks covered with tarpaulin outside MD land all as per existing rules and regulations of civil authorities and cleaning the manholes with fresh water complete all as specified and directed by Engr-in-Charge. Note: The place of disposal shall be find out by the contractor.

M&L for cleaning and desilting of sewage lines upto 150 mm bore including sludge chambers, gully traps of size and shape upto any depth by pumping out /removing liquid waste/sewage ,plugging the ends pipes or diverting the flow into drains if necessary, removing silt, sludge etc, sprinkling bleaching powder on the silt to avoid bad smell including all precautionary and safety measures, such as safety belts, lighting arrangements, face mask etc and removing the silt,sludge & other waste material in leak proof trucks covered with tarpouline outside MD land all as per existing rules and regulations of civil authorities and flushing the sewer lines with fresh water complete all as specified and directed.

M&L for cleaning and desilting of sewage lines exceeding 150 mm bore but not exceeding 300 mm bore including sludge chambers, gully traps of size and shape upto any depth by pumping out /removing liquid waste/sewage ,plugging the ends pipes or diverting the flow into drains if necessary, removing silt, sludge etc, sprinkling bleaching powder on the silt to avoid bad smell including all precautionary and safety measures, such as safety belts, lighting arrangements, face mask etc and removing the silt,sludge & other waste material in leak proof trucks covered with tarpouline outside MD land all as per existing rules and regulations of civil authorities and flushing the sewer lines with fresh water complete all as specified and directed.

Emptying spetic tanks and manholes of any depth by providing sewage suction vehicle od capacity 500 ltrs (BMC Pattern) including necessary other arrangements such as sweepers to clean up the site after work and depositing the same at places earmarked outside MOD land upto 25KM lead and lift complete one or more items all as specified and directed. Note: (a) All precautions to be taken by all workers while working in foul condition,Contractor shall take all necessary actions. (b)After cleaning vehicle will be contractor's preporty. (c) Contractor accredated representative shall be availabe during cleaning. (d) Complete process shall be completed in all respects within a day.

M&L cleaning the existing drainage/culvert including removing cover slab,spoils,soils,vegetation,silt etc and refixing cover slab including making good and removing waste materials outside MD Land complete all as directed .

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks,et all aspecified and directed

S &F 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall with dash throgh fastners and rain water bracket suitable for 160 mm bore pipe spacing 1.5 m c/c as per CE (Navy) mumbai drg No TD/2023/01 or laid in floor complete all as specified and directed. complete including ss clamping , scafolding etc all as specified and directed.

S &F 75 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall with dash throgh fastners and rain water bracket suitable for 160 mm bore pipe spacing 1.5 m c/c as per CE (Navy) mumbai drg No TD/2023/01 or laid in floor complete all as specified and directed. complete including ss clamping , scafolding etc all as specified and directed.

S&F PVC (SWR) bends any radius 110 mm bore fixed with rubber ring joints complete all as specified and as directed

S&F PVC (SWR) bends any radius 75 mm bore fixed with rubber ring joints complete all as specified and as directed

M&L for Hardcore of broken stone boulders 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 directed .

M&L for 100mm thick cement concrete type D2 1:4:8 using 40mm graded stone aggregate as sub abse complete all as specified and directed by Engr-in-charge.

M&L 100mm thick cement concrete type B2 1:2:4 using 40mm graded stone aggregate in flooring including finishing the surfaces even and smooth without using extra cement complete all as specified and directed.

Supply and laying reinforced precast concrete cable cover,classEHV type 2 with peak,size 600 mm x 230 mm x50 mm all as specified and directed.

Removing any kind of debris, demolished material including loading in truck and conveying approved dumping point i.e., @ urban/industry loading spreading etc. complete with all leads and lifts (lead 50Km) complete all as specified and directed

Material and labour for brick work with sub class "B" bricks, straight or curved on plan exc 6m mean radius,in half brick wall built in CM (1:4),complete all as specified and directed.

Supply only integral water proofing compound