REPAIR TO AREA DRAINAGE INCLUDING COVERS, DESILTING AND REPAIR, REPLACEMENT OF SEWAGE LINES, CLEANING OF SEWAGE SYSTEM AT DIGLIPUR

Amount

Dismantling of brickwork or stone/ boulder masonry or PCC block masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles and removal of debris to a distance exceeding 500 mtrs and depositing where directed.

M&L Pre-cast cement concrete Type C1, 1:3:6 (using 20mm graded crushed granite stone aggregate), block masonry with solid blocks with minimum compressive strength of 50 Kg/Sqcm, exceeding 10 cm in width and setting in cement mortar 1:6 complete.

Taking down cement plaster on brick or stone walls, concrete surfaces etc. including raking out joints, hacking for key, scrubbing down with water, etc. and removal of debris to a distance exceeding 500 mtrs and depositing where directed.

M&L for rendering 10mm thick in cement and sand mortar 1:6 on fair faces of brick work or concrete surfaces, finishing the surface even and smooth without using extra cement complete all as specified.

Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) and removal of debris to a distance exceeding 500 mtrs and depositing where directed.

M&L for 75 mm thick PCC Type D2, 1:4:8 (using 40 mm graded crushed granite stone aggregate) laid in sub-floors, sub-bases, floors and pavings, etc. finishing surfaces of concrete even and rough complete all as specified.

M&L for chequered colour cement concrete tiles 20cm x 20cm x 25mm thick, with grey cement and pigment, set, jointed and pointed in neat cement slurry on floors/ steps, over and including screed bed or bedding layer of 15 mm thick in CM 1:6 complete.

M&L PCC Type B1, 1:2:4 (using 20 mm graded granite stone aggregate) as in copings, cills, benching of manholes, kneelers, apex stones, bed plates, levelling course, kerbs water troughs and the like including use of formwork, weathering, slightly rounded or chamfered angles and throating.

M&L for PCC Type B2, 1:2:4 (using 40mm graded granite stone aggregate) as in surface channels and drains complete.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for and facilitate to cut reinforcement and removal of debris to a distance exceeding 500 mtrs and depositing where directed.

M&L precast RCC Type B1, 1:2:4 (using 20 mm graded granite stone aggregate) as in landings, cover slabs (for manholes etc.) shelves and similar articles with plain faces and set in CM 1:6, including necessary formwork complete. Note: Reinforcement shall be measured and paid separately.

M&L for high yield strength deformed TMT steel bars 10 mm dia and over as in reinforcement for concrete, 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.

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc. (Inner girth only shall be measured).

Desilting of storm water drains including dewatering and removing soil/ muck to outside the MD land and depositing where directed.

Clearing away all grass, vegetation, saplings, shrubs, brush-wood, under-growth, roots and trees not exceeding 30 cm girth (measured one metre above ground level) for making approach to septic tanks, around manholes, manhole to manhole for sewage lines and removing rubbish upto a distance of 50 metres all as specified and directed by Engr-in-charge.

Excavating in trenches, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth; for laying drain pipes, etc. or manholes, etc. not exceeding 10 Sqm on plan and not exceeding 1.5 mtr in depth and getting out in soft/ loose soil.

Excavating in trenches, not exceeding 1.5 mtr wide and exceeding 1.5 mtr but not exceeding 3 mtr in depth; for laying drain pipes, etc. or manholes, etc. not exceeding 10 Sqm on plan and getting out in soft/ loose soil.

Returning, filling in in soft/ loose soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick.

Removing excavated soil material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point.

Demolition and breaking up drain pipes of 150 mm internal dia (Salt glazed ware, AC or Reinforced concrete) set in cement mortar including bedding, haunching complete all as specified and directed.

M&L 150 mm internal dia salt-glazed stoneware drain pipes, grade 'A' laid in trenches/ manhole walls and jointed in CM 1:3 complete all as specified.

M&L 150 mm bore reinforced concrete pipes, class NP2, laid and jointed complete with collars in CM 1:3 complete all as specified.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for and removal of debris to a distance exceeding 500 mts and depositing where directed.

M&L for PCC Type D2, 1:4:8 (using 40mm graded granite stone aggregate) as in foundations, filling and mass concrete.

M&L for PCC Type C2, 1:3:6 (using 40mm graded granite stone aggregate) concrete bed to 150 mm bore drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested all as specified and directed.

M&L for rendering 15 mm thick in cement and sand mortar 1:4 using WPC on fair faces of brick work or concrete surfaces, finished even and smooth (without using extra cement) complete all as specified.

Supply only Integral waterproofing compound.

M&L RCC Type B1, 1:2:4 (using 20mm graded granite stone aggregate) in slabs supported on walls for septic tanks etc. and set in cement mortar 1:4 complete all as specified.

M&L for Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) icluding edges for flat rough finished surfaces of concrete.

Cleaning of blockage of sewage lines up to 150 mm bore systematically using necessary tools mechanically and /or manually such as by rodding, passing rope knots, bamboo fanti and disc of required size (with safety measure such as dirt and gas etc), flushing the pipe well with water till clear flow of sewage from both side between two adjacent manhole/grease traps of any depth, taking out sludge in semi liquid stage including all water effluents etc in a closed container and removing all materials from site of work upto a distance exceeding 250 mtr but not exceeding 500 mtr and depositing in earth pit of suitable size including supply and sprinkling bleaching powder and covering sludge with earth after removal of blockage etc complete all as specified. Note: Length will be measured throughout the manholes for each time of cleaning.

Cleaning of septic tanks completely by emptying liquid, semi solid, solid foul contents cleaning of inlets, outlets and getting out using suction pumps and filling the foul material into the covered tanks attached to suction pump and removing and disposing the same at a place meant for disposal of foul material outside the Defence area complete all as specified.

Cleaning of manhole blockages (including WC, urinal, kitchens and bathrooms) systematically using necessary tools mechanically and/or manually such as by rodding, bamboo fanti and disc of required size (with safety measure gas etc), flushing the pipe well with water till clear the flow of sewage from both side between two adjacent manhole/gully traps or WC/NT of any size or depth, taking out sludge in semi liquid stage / roots of the tree etc. including all water effluents etc and removing all materials from site of work upto a distance exceeding 50 mtr and depositing in earth pit of suitable size including supply and sprinkling bleaching powder and covering sludge with earth after removal of blockage etc complete all as directed.

M&L PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement including taking down old gully trap complete all as specified and directed.

M&L 100 mm dia outlet, cast iron floor trap, with grating including jointing to waste pipe fixed in PCC 1:2:4, type B1 complete including taking down old floor trap all as specified and directed.

LANDMARK ENGINEERS & CONSULTANTS

B N ENGINEERING WORKS

M/s Mohammed Shamim