REPAIR TO SECURITY FENCING GATE PATHWAY/HARDSTANDING RETAINING WALLS AND ALLIED WORKS AT CHATTEN CHUNGTHANG RANGMA RANGE THENG LACHUNG LANKA AND BITCHU AND CLEANING /REPAIR AND REPLACEMENT OF SEWAGE LINE SWPTIC TANK AND SOAKAGE WELL DRAINS AND OTHER

Excavation in trenches, not execeeding 1.5m wide and not exceeding 1.5m deep for foundation, laying of pipes etc, or for shafts, wells, cesspits, manholes etc., n.exc 10 sqm on plan and n exceeding 1.5 m depth and getting out in soft/ loose soil complete all as specified and directed.

Returning, filling in soil, including spreading leveling, watering and well ramming in laying not exceeding 25 cm thick complete all as directed by Engineer-in-Charge.

Removing excavated soil to a distance n.exc 50 m and depositing where directed at a level n.exe 1.5 m above the starting point complete all as directed by Engineer-in-Charge.

Demolition and breaking up (internal dia of pipe 100/110 mm) old broken, AC, SWG soil waste and vent pipes of any bore including accessories set in cement mortar and removing rubbish from site as directed by Engineer in charge complete all as specified and directed.

M&L for plain cement concrete bed (1:3:6), type C2 (using 40 mm graded stone aggregate) to drain pipe 100/110 mm bore including packing under and hunching against the sides of pipes after they laid and tested complete all as directed by Engineer-in-Charge.

S&F PVC (SWR) pipes 110 mm bore single socket in any length with rubber ring joints laid in trenches complete all as specified and as as directed.

Demolition of Brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, for ashlar facings, dressed stonework, precast concrete articles and precast concrete block walling. Complete all as specified and directed.

M & L for Pre-cast cement concrete block masonry (1:2:4) Type B1 (20mm graded aggregate) with solid blocks, exc. 10 cm in width and setting in mortar (1:4) Complete all as specified and directed.

M&L rendering 15 mm thick in CM (1:4) on fair faces of brick work or concrete surfaces to be finished even and smooth without using extra cement mixed with intergral water proofing compound @ 2% by weight of cement (WPC measured and shall be paid separately) all as specified and as directed.

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

M&L rendering 15 mm thick in CM (1:6) on fair faces of brick work or concrete surfaces to be finished even and smooth without using extra cement complete all as specified and as directed.

Supply only integral water proofing compound complete all as specified and as directed.

M & L Plain cement concrete (1:2:4) Type B1 (using 20 mm graded stone aggregate) as in benching of manholes including necessary formwork, weathering, slightly rounded or chamfered angles, finishing of exposed surfaces of concrete to even and smooth without using extra cement complete all as specified and directed.

M&L for plain cement concrete (1:4:8) Type D2 (40 mm graded aggregate) as in foundation, filling and mass concrete complete all as specified and directed by Engineer-in-Charge.

M&L for plain cement concrete (1:3:6) Type C2 (40 mm graded aggregate) as in foundation, filling and mass concrete complete all as specified and directed by Engineer-in-Charge.

M & L Plain cement concrete (1:3:6) Type C1 (20 mm graded aggregate) as in coping including necessary formwork, weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

M&L for PCC (1:3:6) type C1 (using 20 mm graded stone aggregate) as in surface channels, drains complete all as specified and directed.

Use and waste of formwork to faces of walls, retaining walls, abutments, parapets and staircase raillings and similar work including attached pillasters, buttresses, ect; vertical or to batter finished the surface fair complete all as specified and directed by Engineer in Charge.

Formwork to sides of concrete foundations, footings,bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter and fair finished surface. Complete all as specified and directed.

M&L for extra for forming fair finished drain or channel 100 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc. Complete all as specified and directed.

Demoliton of cement concrete (unreinforced) at any position any description not otherwise specifically provided for complete all as specified and directed.

Demolition of reinforced concrete of any description and in any position not otherwise specifically provided for including cutting of reinforcement as required to facilliate demolition complete all as specified and directed.

M & L Precast RCC (1:2:4) type B1 (using 20 mm graded stone aggreagate) as in cover slabs set in cement mortar (1:4) including all necessary form work and finishing exposed surfaces of concrete even and smooth with out using extra cement complete all as specified and directed.

M & L for RCC nominal mix (1:2:4), Type B1 (20mm graded aggregate) nominal mix as in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and as directed.

Use & waste of Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) for fair finished surfaces. Complete all as specified and directed.

M&L for Mild steel bars 10 mm dia and over, cut to length,bent to shape required,including cranking ,bending spirally for hooping for columns,hooking ends and binding with and and including mild steel wire(annealed) not less than 0.9 mm dia or securing with clips. Complete all as specified and directed.

M&L Cutting into the existing manhole for connecting new drain making good to pipes of 100/110 mm dia & rendering cutting out existing benching for and forming branch channel (½ round or ¾ section ) in cement concrete (1:2:4), Type B1 smooth finished and reforming benching as required complete all as specified and directed by Engineer-in-Charge.

M&L Cutting into the existing manhole for connecting new drain making good to pipes of 150/160 mm dia & rendering cutting out existing benching for and forming branch channel (½ round or ¾ section ) in cement concrete (1:2:4), Type B1 smooth finished and reforming benching as required complete all as specified and directed by Engineer-in-Charge.

Cleaning of existing manholes, septic tank etc by dewatering and taking out sludge and solid deposits from the septic tank and manhloes etc completely and browing the sludge and solid deposited in a nearly dug pit with in 100 mtr and covering the sludge and solid deposited etc with earth and 2cm thick lime on top surface to prevent spread of foul smell after taking out sludge and solid deposits, the inside of the septic tanks, manholes etc should be cleaned with water, complete all as specified and as directed. [Note: (i) All precautions to be taken while working in foul condition (ii) Filled up portion of sludge only shall be measured (iii) Suitable Mechnical equipment i.e. Honey sucker machine/sludge pump should be used for removing the wastes from septic tank and manhole (iv) Manual cleaning of sewers or septic tank even with protective gear and safety device is not allowed.

Cleaning or existing chocked sewege line of pipe 100/110 mm bore by rodding and watering and taking out sludge through manholes etc. Complete and disposal of same to a previously dugged out pit after filling the upper surface with earth and 2cm thick lime over filled earth including sprinkling of bleaching powder, complete all as spcified and directed.

Cleaning or existing chocked sewege line of pipe 150/160 mm bore by rodding and watering and taking out sludge through manholes etc. Complete and disposal of same to a previously dugged out pit after filling the upper surface with earth and 2cm thick lime over filled earth including sprinkling of bleaching powder, complete all as spcified and directed.

Dismantling of old PVC (SWR), AC, SWG soil waste and vent pipe dia of any bore including accessories set in cement mortar and removing rubbish from site as directed by Engineer-in-charge complete all as specified and directed.

S&F PVC (SWR) pipes 75 mm bore single socket in any length with rubber ring joints fixed to wall or laid in floors complete all as directed by Engr-in-Charge.

S&F PVC (SWR) pipes 110 mm bore single socket in any length with rubber ring joints fixed to wall or laid in floors complete all as directed by Engr-in-Charge.

S&F in repairs PVC (SWR) bends (any radius) suitable for 75mm bore pipe fitted with access door including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) bends (any radius) suitable for 110mm bore pipe fitted with access door including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) junction (single T) suitable for 75mm bore pipe fitted with access door, equal or unequal including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) junction (single T) suitable for 110mm bore pipe fitted with access door, equal or unequal including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) couplers suitable for 75 m bore pipe including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) couplers suitable for 110 mm bore pipe including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) reducer 110x75 mm including jointing with solvent cement complete all as directed by Engr-in-charge.

S&F in repairs PVC (SWR) vent cowl 75mm complete all as directed by Engr-in-charge.

S & F in repairs PVC (SWR) floor trap 75 mm dia plain with grating including jointing with solvent cement and making good disturbed portions of floor matching with adjoining surfaces complete all as specified and directed by Engr-in-Charge.

Demolition of cement concrete (unreinforced) in ground floor and pavings not exc 15 cm thickness (below or above ground level) complete all as specified and directed.

M & L for 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; complete all as specified and directed.

M& L for 75mm thick PCC type D-2, (1:4:8) (40mm graded aggregate) as in sub base. Complete all as specified and directed by Engr-in-Charge.

M&L for coloured & polished Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry as in floors includig 15mm thick screed bed CM(1:6) all as specified and directed.

M & L for 50mm thick PCC type C-2, (1:3:6) (Using 40 mm graded aggreate) as in sub-base coomplete all as specified and directed.

M & L for 75mm thick PCC type C-2, (1:3:6) (40mm graded stone aggregate) as in plinth protection, path/steps etc. complete all as specified and as directed.

M& L for 100mm thick PCC (1:3:6) type C-2 (40mm graded aggregate) as in plinth protection, path/steps etc. complete all as specified and as directed.

M&L for three coats of white wash on new plastered surface including prepration of wall surface. Complete all as specified and directed.

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion and making good disturbed ground. Complete all as specified and directed.

Dismantling fencing wire mesh, any type complete all as specified and directed.

Surface dressing n exc 15 cm deep and getting out in soft/loose soil all as specified and as directed (Including Site Clearance). Complete all as specified and directed.

Excavating in post holes (or similar holes) each n.exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n exc 50 m and making good surface. Complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (40mm grade aggregate) in foundation of post holes. Complete all as specified and directed.

S & F mild steel angle iron for post and struts in fencing including cutting tops to shape as dircted drilling holes notching for wire etc. flat iron flillets (for securing wire mesh etc.) including all necessary drilling , bolding or riveting , etc and similar work conforming to Fe-290 Gde E-165 all as directed and specified.

Supply only chain link MS galvanisd fencing, any size or type wt n.exc 4 Kg per Sqm. Complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire all as directed and specified.

Supply only for mild steel round bar of Fe-410-W (grade. E-250 quality-A or Fe 290) (Gde E-165), 10mm dia as in line wire. Complete all as specified and directed.

S & F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long & 11 to 15mm dia. Complete all as specified and directed.

M & L for Preparation of new steel surfaces of any description over 10cm in width and applying two coat of synthetic enamal paint over a coat of red oxide zink chrome primer complete all as specified and directed.

M & L for Preparation of new steel surfaces of any description n exc10cm in width and applying two coat of synthetic enamal paint over a coat of red oxide zink chrome primer complete all as specified and directed.

S & F Galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured). Complete all as specified and directed.

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

S & F for structural steel 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 of grade Fe 410-W (Gde-E 250) quality B (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing. Complete all as specified and directed.

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