Annual Maintenance Repair and cleaning of Manholes, Septic tank, Sewage line, Soak Pit, and certain allied works at 19 Wing area under GE (AF) Borjhar

Amount

Demolition of brick work or stone/boulder, masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars etc but exceeding ashlar facing and pre-cast concrete articles complete all as specified and as directed

Demolition of cement concrete ,un-reinforced in ground floors and paving not exceeding 15 centimetre thickness, below or above ground level complete all as specified and as directed.

Demolition of cement concrete ,(reinforced) of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition) complete all as specified and as directed.

Demolition and breaking up drain pipes (slat glazed ware, AC or reinforced concrete) set in cement mortar , in 150 mm internal dia complete all as specified and as directed.

All as per Serial Item No 4 herein above but 100 mm bore

Taking down cement plaster , any description , from brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water etc. complete all as specified and as directed

Excavation in trenches not exceeding 1.50 metre wide and not exceeding 1.50 metre depth for foundation, manhole etc not exc 10 Sqm on plan and not exc 1.5 metre in depth including getting out in soft/loose soil complete all as specified and as directed

Excavation in trenches exceeding 1.50 metre wide and not exceeding 3.00 metre depth for foundation, manhole etc not exc 10 Sqm on plan and not exc 3.00 metre in depth including getting out in soft/loose soil complete all as specified and as directed

Returning, filling in including spreading, leveling watering and well ramming in layers not exceeding 25 centimetre in soft/loose soil complete all as specified and as directed.

Removing excavated surplus soil/material not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed

M&L for 100mm bore reinforced concrete pipe, class NP3, laid and jointed (in CM 1:1) complete with collars all as specified & as directed (Excavation and earth work shall be measured and paid separately)

All as per Serial Item No 10 here-in-before above but 150 mm bore pipe

M&L for Concrete bed to drain pipes for 100 mm bore SGSW drain pipe in cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate including packing under and haunching against the sides of pipes after they are laid and tested for 100 mm bore pipe complete all as specified and as directed

All as per Serial Item No 12 here- in-before but for 150 mm bore pipe

M&L Plain Cement concrete 1:4:8 type D-2, using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and as directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using ex- tra cement, including forms, moulds, mi- tred/stopped ends etc. complete all as specified and as directed.

M&L Plain cement concrete 1:3:6 type C-2 using 20 mm graded stone aggregate as in surface channel, drain complete all as specified and as directed.

M&L for PCC 1:2:4 type B1 using 20mm graded agg as in coping all as specified and directed.

M&L Brick work with sub class ‘B’ bricks, straight or curved on plan exceeding 6 metre means radius built in cement mortar 1:6 complete all as specified and as directed.

All as per item No 16 here-in-before but except bricks

M/L for Brick work with sub class B bricks, straight or curved on plan to any radius in half brick thick wall built in cement mortar 1:4.complete all as specified and as directed.

Rendering 15 mm thick on fair faces of brick work or concrete surface in cement mortar 1:4 mixed with WPC as per manufacturer's instruction and finished the surfaces even and smooth without using extra cement complete all as specified and as directed (Note:- WPC will be measured and paid for separately.

M&L 15mm thick rendering in cement mortar (1:6) on brick/concrete surfaces of walls, finished even & smooth surfaces without using extra cement complete all as specified.

Supply only integral water proofing compound as per latest IS specification complete all as specified.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of cement base paint complete all as specified and as directed.

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

M&L Pre-cast cement concrete cover slab for manhole and drain cover in plain cement concrete 1:2:4 type B-1, (using 20 mm graded stone aggregate) set in cement mortar 1:4 with plain faces complete all as specified and as directed

M&L forTMT Bars 10 mm dia and over cut to length bent to shape reqiured, incl cranking, bending spirraly for hooping for columns, hooking ends and binding with and incl mild steel wire (annealed) not less than 0.9m dia or securing with clips.

Cutting into existing manhole, 100 mm bore pipe, for connecting new drains making good to pipe and removing cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregates, smooth finish and re-forming benching complete all as specified and as directed

All as per Srl Item No 29 here-in above but for 150 mm bore pipe

Cleaning of blocked Soil Pipe Vertical stack 100/110 mm dia by opening inspection eye door of bend/ branch pieces, rodding till smooth flow and refixing of door after cleaning including necessary scaffolding all as specified and directed.

Supply and fixing in repair SWG gully traps square type size (150x100)mm complete all as specified and directed. .

Taking down/removing gully trap covers from waste pipes of kitchen and bathrooms, removing blocked waste materials cleaning and re-fixing the gully trap covers complete all as directed.

Cleaning manhole by taking out sludge in semi liquid/solid stage (incl. all water etc) from inside of manhole of depth not exceeding 1.5 m and removing the sludge to a distance not exceeding 50m depositing in trenches including supply and sprinkling bleaching powder and covering sludge with earth to a thickness not less than 30 cm including all earth work, returning filling, removal of surplus soil & necessary temporary cleaning as directed by the Engineer-in-Charge.

All as per item 34 here in before but for cleaning of septic tank 100 users up to any depth. complete all as directed by Engineer-in-Charge.

All as per item 34 here in before but for cleaning of septic tank 50 users up to any depth. complete all as directed by Engineer-in-Charge.

All as per item 34 here in before but for cleaning of septic tank 25 users up to any depth. complete all as directed by Engineer-in-Charge.

M&L for Dewatering and desludging of septic tanks of 200 users capacity using( mechanical device system) by dewatering sludge water and removing sludge/waste material etc. through container/tanker to a distance exc 5KM and complete all as specified and directed by the Engr-in-Charge.

M&L cleaning of soak well by pumping or any suitable means dia of soak well exceeding 2.50 m and n. exc 3.00 dia and depth not exc 3.00 complete all as directed by Engr-in-Charge.

S&F in repair 75mm bore PVC(SWR) bends any radius with access door as in repair complete all as specified and as directed by Engineer-in-Charge.

S&F in repair 110mm bore PVC(SWR) bends any radius with access door complete all as directed

S&Fin repair 110mm bore PVC(SWR) branch piece, double (double'Y') equal or unequal with access door complete all as directed

S&F in repair 110mm bore PVC(SWR) junction double (double T) equal or unequal with access door complete all as directed

S&F in repair 110mm bore PVC(SWR) bends any radius complete all as directed

Taking down 110/75mm bore AC/PVC rain water,soil & waste pipe etc from trench/wall/ceiling including fittings & fixture complete all as specified and as directed by Engineer-in-charge.

S&F in repair 75mm PVC(SWR) dia pipes single socketed in any length with rubber ring joints fixed to walls complete all as specifiec and as directed by Engineer-in-charge.Make PRINCE/SUPREME

S&F in repair 110mm PVC(SWR) dia pipes single socketed in any length with rubber ring joints fixed to walls complete all as specifiec and as directed by Engineer-in-charge.Make PRINCE/SUPREME

M&L 75 mm Cast iron floor trap, with grating including jointing to waste pipe fixed in cement concrete type B1 (1:2:4)

All as per item No 48 but 100 mm

S&F Vitreous china squatting pan 'Orissa' pattern ' size 580x440mm white, with integral foot rest 'P' or 'S' trap,front or back inlet including connection to trap and to flushing pipe,anti syphonage pipe, etc. Complete making good to floor as existing complete all as specified and directed by Engr-in-Charge.

S & F Vitreous china wash hand basin ,white flat back of size 550x400mm including bracket, cutting for pinning in ends of brackets or erecting stands also including brass chromium plated waste coupling 32mm dia, PVC waste pipe of adequate length and dia and PVC connection 15mm size 450mm length with brass CP nuts on both sides, PVC washers, fixed in repairs all as specified.

Supply and fixing in repairs 15mm bore pillar taps cast copper alloy with capstan heads chromium plated screwed down high pressure with long screws shanks and fly nuts complete all as specified and directed.

S&F in repairs 15 mm dia bib tap cast copper alloy CP fancy type with capstan head long body and cup screwed down for iron pipe all complete all as specified and directed.

S&F in repair PVC low level flushing cistern 10 ltrs capacity white with inlet, ball valve, float valve and handle incl brackets, PVC flush pipe ,PVC connection, all as spfd.(Make:Parryware/Slimline/Hindware).

S&F in repair Vitreous china wash down water closet (pedestal pattern) white, including plastic WC seat cover white closed pattern with flat bottom and cover mild steel CP hinging device and connect to GI pipe line complete all as directed.

S&F Stop valves,cast copper alloy 15 mm dia fancy type,chromium plated screwed down,high pressure,with capstan handle screwed both ends for iron pipe or for unions all as specified.

Dismantling floor , hearth or wall tiling including cement mortar bedding (but not backing) and rubbish off the premises

M&L 100 mm thick PCC 1:4:8 type D-2 using 40 mm graded aggregate as in sub base to flooring complete all as specified and as directed.

M&L for Non skid ceramic coloured tiles exceeding 0.06 but n exceeding 0.11 sqm) premium type in floors etc and jointed in neat cement slurry and pointed in coloured cement to match with the coloured tiles over screed bed 15mm thick in CM 1:6 complete all as specified and directed.

M&L for Glazed ceramic coloured tiles in vertical surfaces 350x250x7mm/400x200x7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement ot match, with screed bed 15mm thick in CM (1:6).

M&L for prepolished chequered cement concrete tile 30cmX30cmX20- 25mm thick set jointed and pointed in neat cement siurry in floor with grey cement and pigments over 15mm thick screed bed or bedding layer of CM (1:6) complete all as specified and as directed.

M&L for 20 mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window cills, cooking plateforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shed of granite including and over 15 mm thick screed bed or bedding layer of mortar 1:6.

M/L for Filling of soak well with new brick bats and size 40 to 80 mm complete all as specified and as directed.

S&F in repairs Vitreous China urinal bowl type flat back or angle back type, size( 465x355x265m) or (430x370x340mm) complete including providing and fixing plugs, bedding urinal against wall in cement mortar 1: 2, screwing urinal to plugs with and including 60 mm long brass screws pointing around urinal back in cement mortar complete all as specified.

S&F in repairs CP hand shower (Health faucet) with 8 mm dia, 1 metre long flexible tube and wall hook with NRV (Black flow preventor) (Make Jaquar, Cat No ALD CHR -583). Complete all as specified.

Taking out steel water tubing and connections including cleaning for refixing or credit to the contractor for the for sizes of 15 mm bore

Taking out steel water tubing and connections including cleaning for refixing or credit to the contractor for the for sizes of 20 mm bore

S & F Galvanised steel water tubing medium grade to walls and ceiling or lying in floors of the size dia 15 mm bore

S & F Galvanised steel water tubing medium grade to walls and ceiling or lying in floors of the size dia 20 mm bore

M/S Kiran Chandra Das

Ms Jahnabi Construction