SPECIAL REPAIR OF SEWAGE SYSTEM AT NOI AT NAVAL BASE KARWAR

M&L for excavation over areas, not exceeding 1.50 m depth, in hard/dense soil, and getting out, complete, all as specified and directed.

All as per item No.01., but exceeding 1.50 m and not exceeding 3.00 m depth, in hard/dense soil, complete, all as specified and directed.

All as per item No.01, but exceeding 3.00 m and not exceeding 4.50 m depth, in hard/dense soil, and getting out, complete, all as specified and directed.

M&L for PCC 1:4:8, Type D-2, using 40 mm graded stone aggregate, as lean concrete below columns, complete, all as specified and directed.

M&L for RCC, Design Mix M-25, as in columns, complete, all as specified and directed.

M&L for RCC, Design Mix M-25, as in bands/tie beams, complete, all as specified and directed.

M&L for RCC, Design Mix M-25, as in slabs/covers, complete, all as specified and directed.

M&L for brick bat aggregate filling with graded brick bats 80 mm to 150 mm size, spread, levelled and consolidated, complete, all as specified and directed.

M&L for brickwork with sewer bricks, curved on plan, radius not exceeding 6.00 m, in CM 1:3, as in soak wells etc., complete, all as specified and directed.

M&L for honeycomb brickwork using sub-class bricks, in CM 1:3, complete, all as specified and directed.

M&L for TMT reinforcement bars 8 mm dia, including cutting, bending, placing and binding with annealed steel wire, complete, all as specified and directed.

M&L for TMT reinforcement bars 10 mm and 12 mm dia, including cutting, bending, placing and binding, complete, all as specified and directed.

S&F asbestos cement vent pipes 80 mm dia, in any length, with cement joints, fixed to walls including necessary clamps, complete, all as specified and directed.

M&L for AC vent cowls 80 mm dia, fixed in position, complete, all as specified and directed.

M&L for rendering 15 mm thick in CM 1:4 on external surfaces above ground level, finished even and smooth without using extra cement, complete, all as specified and directed.

Excavation in trenches not exceeding 1.50 m wide and 1.50 m deep for taking up or laying sewer lines and getting out, in soft/loose soil, complete, all as specified and directed.

All as per item No.17, but exceeding 1.50 m and not exceeding 3.00 m depth, in soft/loose soil, complete, all as specified and directed.

M&L for PCC 1:3:6, Type C-2, using 40 mm graded stone aggregate, as in foundations and mass concrete filling, complete, all as specified and directed.

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

Removing excavated soil not exceeding 50 m lead and depositing where directed at a level not exceeding 1.50 m above starting point, complete, all as specified and directed.

Demolition and breaking up drain pipes 100 mm dia, salt-glazed stoneware or reinforced concrete, set in cement mortar including PCC bed and haunching and removal of debris outside MD land, complete, all as specified and directed.

All as per item No.22, but 150 mm dia, complete, all as specified and directed.

M&L for salt-glazed stoneware pipes Grade ‘A’, 100 mm bore, laid in trenches, jointed and tested, complete, all as specified and directed.

All as per item No.24, but 150 mm bore, complete, all as specified and directed.

M&L for PCC 1:3:6, Type C-2, using 40 mm graded stone aggregate, as bed to 100 mm bore drain pipes including packing under and haunching against sides after laying and testing, complete, all as specified and directed.

All as per item No.26, but bed to 150 mm bore drain pipes, complete, all as specified and directed.

Demolition/breaking up or down cast iron pipes of any size fixed in any position, complete, all as specified and directed.

S&F in repairs cast iron soil, waste and vent pipes, sand-cast, 100 mm dia, in any length, with or without ears, cement joints, laid in trenches or floors including taking down existing pipes, complete, all as specified and directed.

S&F in repairs cast iron soil, waste and vent pipes, sand-cast, 75 mm dia, in any length, with or without ears, cement joints, laid in trenches or floors including taking down existing pipes, complete, all as specified and directed.

S&F cast iron bends 100 mm dia, any radius, including diminishing pieces or tapers (larger bore measured), complete, all as specified and directed.

S&F cast iron bends 75 mm dia, any radius, including diminishing pieces or tapers (larger bore measured), complete, all as specified and directed.

Demolition of precast cement concrete block walling built in cement mortar, complete, all as specified and directed.

M&L for precast cement concrete block masonry with solid blocks exceeding 10 cm width, 1:3:6, Type C-1 using 20 mm graded stone aggregate, set in CM 1:4, complete, all as specified and directed.

All as per item No.34, but excluding blocks, complete, all as specified and directed. Note: Old serviceable precast cement concrete blocks retrieved under Item No. 33 shall be reused under this item and no extra payment shall be made for the same.

M&L for rendering 15 mm thick in CM 1:4 on fair faces of brickwork or concrete surfaces mixed with approved waterproofing compound @ 1% by weight of cement (or as per manufacturer’s instructions, whichever is higher), finished even and smooth without using extra cement, complete, all as specified and directed. Note: Waterproofing compound shall be measured and paid separately.

Supply only approved waterproofing compound , complete, all as specified and directed.

M&L for preparation of new plastered surfaces and applying three coats of white lime washing, complete, all as specified and directed.

S&F in repairs cast iron work Grade FG-150, unmachined articles exceeding 5 kg each including brackets, gully traps, gratings, railings, frames, manhole covers, fire and soot doors, dampers, valve boxes, gate stops, crane parts, balusters and similar items, complete, all as specified and directed.

Dismantling cast iron work of any description, complete, all as specified and directed.

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