GE/SMB/T-07/2023-24 COMPREHENSIVE REPAIR TO SERVICES SUCH AS CLEANING OF SEWAGE LINES MANHOLES SEPTIC TANKS DRAINS HARDSTANDING SECURITY WALL FENCING IN PUCCA KOTHA DAYALACHAK AND GALAK UNDER AOR OF AGE B/R AT MIL STN SAMBA

Amount

Cleaning and de-sluding of existing septic tank completely for solid/liquid sludge of any depth by mechanically means i.e pumping from inside the septic tank and removal of sludge to a distance exc. 1.0 KM outside defence land by mechnically (trolly mounted) and depositing / buried in and including excavated pits (required size and depth) of any type of soil. Top layer of excavated pit covered by a layer of 150mm depth earth spreading with bleaching powder @ 200 gm per sqm for disinfection purpose including taking down cover slab and refixing the same in cement mortar (1:4), complete all as specified and directed. Note :- (i) The mode of measurment shall be as inner volume of tank etc which has been cleaned. (ii) Rate demed to be inclusive of excavation of earth pits and bleaching powder if required for disposal of sludge.

Systamatically cleaning and de-silting-sludge of blocked sewage pipe line100 to 300 mm dia and any depth including taking out sludge/silt and other foreign materials from sewage line by rodding with using steel rod or split bamboo sticks thoroughly from both sides between adjacent manholes still clear flow of sewage line is observed passing knots kamti and disc of required size or pumping out liquid waste / sewage plugging and diverting the flow to the drain if necessary and stacking the removed silt / sludge in deposits out side defence land as directed including taking precautionally measures such as safety belts dry cell for lighting inside the manholes and drain etc. sprinking bleaching powder on the silt/sludge to removed to avoid bad smell and disposal of sludge, complete all as specified and directed. Note- Rate deemed to be inclusive of excavation of earth pits and bleaching powder if required for disposal of sludge)

Cleaning of blockage of WCs including P & S traps, floor/gully traps of any size and depth up to and including 1st manhole with necessary T&P as per the site requirement, complete all as specified and directed. Note- Cost of cleaning of 1st manhole shall be deemed to be inclusive in the unit rate of this item quoted by the tenderer)

Cleaning of blocked manhole upto 3.50 m deep by mechanically means by using pumping and trolly mounted and taking out sludge soil sludge water etc. by mechanically means and removing the same to a distance exc. 1.00 km out side Military / Defence land deposited / burried in excavated pits (required size and depth) all as directed including excavated pits in any type of soil and covering pits with earth after filling of sludge and including providing and spreading of bleaching powder @ 200 gm per sqm for disnifection purpose including taking down of slab cover and refixing the same in cement mortar (1:4), complete all as specified and directed. Note for Srl Item No.- 1 to 4:- 1 The contractor shall deploy minimum 02 (Two) labour in proper uniform daily excluding sundays and gazzetted holiday from 08:00 hours to 16:00 hours to attand daily complaints of cleaning as mentioned above. Non wearing of uniform shall be subjected to a recovery of Rs 250.00 per person per day . Nothing shall be paid on this account. 2. Spreading of unslacked lime powder around manholes etc and antibotic materials to kill smell etc and to make hygienically. 3. The labour to be engaged shall have properly insurance cover at contractors's cost. Contractor shall produce a certified copy of insurance documents. 4. The work taken in hand once shall be completed on same day and in no case carried over to next days. Failling which a penality of Rs 1000/day/location shall be imposed.

Demolition of brick work or stone masonry, built in cement mortar incl all quoins, arches pillars etc but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified and directed.

Brick work with old size sub class 'B' burnt bricks having crushing strength not less than 75 Kg/Sqcm, straight or curved on plan exc. 6 m mean radius built in CM 1:4 , complete all as specified and directed.

Brick work with old size sub class 'B' burnt bricks having crushing strength not less than 75 Kg/Sqcm, straight or curved on plan exc. 6 m mean radius built in CM 1:4 but except bricks, complete all as specified and directed.

Brick work with old size sub class 'B' burnt bricks having crushing strength not less than 75 Kg/Sqcm, straight or curved on plan any radius in half brick wall built in CM 1:4 , complete all as specified and directed.

Demolition of plain cement concrete in ground floors or above ground floor and paving n.exc 15 cm thickness (Below or above ground level), Complete all as specified and as directed .

Cement concrete type D-2, 1:4:8 using 40mm graded crushed stone aggregate as in foundations,filling and mass concrete, complete all as specified and directed.

PCC 1:3:6 Type C-2 ( using 40mm graded crushed stone aggregate) as in surface channel and drains, complete all as specified and directed.

Flush pointing to brick walls in CM 1:4, complete all as specified and directed.

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, complete all as specified and directed.

Add or deduct extra 25 mm girth or part therof over or under 30 cm, complete all as specified and directed.

Precast cement concrete 1:2:4 type B-1 using 20mm graded stone aggregates as in landings, cover slabs (for man holes) etc. and in similar works including chamfers, throating setting in CM 1:6 and necessary form works,Complete all as specified and as directed .

Mild steel TMT bars (Fe 500) 8 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 including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed.

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

Rendering 10+5 mm thick on fair faces of brick or concrete surface walls in two layers, in cement mortar 1:4 , rendering is to be finished even and fair without using extra cement (up to 2nd storey with necessary scaffolding) complete all as specified and as directed by Engineer-in-charge.

Rendering 10 mm thick cement plaster in cement mortar 1:6 on on brick /stone/concrete surfaces finished even and smooth without using extra cement (upto 2nd storey with necessary scaffolding), complete all as specified and directed.

Plain cement concrete 1:2:4 type B-1 using 20mm graded stone aggregates as in copings, kneelers, apex stones, bed plates, etc. and in similar works including weathering,slightly rounded or chamfered angles and throating and necessary form works,Complete all as specified and as directed .

Pre-polished chequered cement concrete tiles of size 20 cm x 20cm x 25 mm thick / 25 cm x 25 cm x 25 mm thick, set & jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles, laid over and including 20 mm thick cement screed bed in CM 1:4 complete all as specified and as directed.

Machine pressed precast concrete interlocking paver block rubber moulded, PU coated of any shape and size approved by GE, ISI marked (IS:15658-2006) 60mm thick, M-35 grade (Medium Traffic), in paths and hardstanding,with grey cement and pigment, laid tightly over & including 50 mm thick dry sand cushion (compacted) and joints filled with dry sand, colour and pattern as approved by GE, complete all as specified and directed.

Reinforced concrete pipes 300 mm dia,class NP 2, laid and jointed with collars, complete all as specified and directed.

Preparation of newly plastered surfaces of walls etc and applying two coats of cement based paint over including priming plastered and other surfaces with alkali resistant priming paint , complete all as specified and directed.

Preparation of old decorated brick/concrete/ plastered/unplastered surfaces of walls, Pillars, cornices etc by booming down with steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts, trading oil and greasy spots, rubbing with sand paper and applying one coat of cement base paint on walls, pillars, cornices etc . complete all as specified and directed.

Preparation of new plastered surfaces of walls and applying two coats of weather proof paint (Apex) over a coat of primer complete all as specified and directed.

Preparation of old painted surfaces of walls and applying one coats of weather proof paint (Apex) over a coat of primer complete all as specified and directed.

Demolition and breaking up drain pipes 150/200 mm (salt glazed ware, AC or reinforced concrete) set in CM, complete all as specified and directed.

Excavating in trenches, n.exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc 10 sq m on plan and getting out in any type of soil, complete all as specified and directed.

Excavating in trenches, n.exc 1.5 m wide and exc 1.5 m but not exc 3.0 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc 10 sq m on plan and getting out in any type of soil, complete all as specified and directed.

Excavating in trenches, n.exc 1.5 m wide and exc 3.0 m but not exc 4.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc 10 sq m on plan and getting out in any type of soil, complete all as specified and directed.

Concrete bed to drain pipes 150 mm bore including packing under, and haunching against the sides of pipes after they are laid and tested; in cement concrete type D-2, 1:4:8, complete all as specified and directed.

Concrete bed to drain pipes 200 mm bore including packing under, and haunching against the sides of pipes after they are laid and tested; in cement concrete type D-2, 1:4:8, complete all as specified and directed.

Double wall corrugated HDPE Pipes (SN8), 150 mm bore / inner diam with integral socket and necessary fittings, laid in trenches including jointed and overlaping of pipe, complete all as specified and directed.

Double wall corrugated HDPE Pipes (SN8), 200 mm bore / inner dia with integral socket and necessary fittings, laid in trenches including jointed and overlaping of pipe, complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick (available excavated soil). complete all as specified and directed.

Removing excavated soil to a distance n.exc 50m and depositing where directed at a level n.exc. 1.5m above the starting pointing, complete all as specified and directed.

Note:- The contract sum arrived after deduction of amount of Sch of credit as listed in tender Documents.

SIDDAHANT ENTERPRISES

M/s Sahib and Company

THAKUR BUILDERS AND CO