NIET_WBPHE_48_ND_25_26_GR4

Dismantling work

Clearing compound premises of shurbs, plants, jungles etc. by cutting and removing as directed (Specific permission of Engineer-in-Charge prior to execution will be necessary). (Payment to be made on area cleared)

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment]

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge

Removing corroded worn out portion of reinforcement (when the area of bar is damaged by more than 25%) by cutting and replacing the same by a new plain round bar of requisite diameter by binding with required lap / welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer - in - charge. Note : Payment on weight (Kg.) of new reinforcement.

Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturer's specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface).

RCC WORK

Hire and labour charges for shuttering for concrete work in overhead R.C. Reservoir on separate R.C. frame including fitting, fixing and striking off after compeltion of work including staging upto 4 m using ply board or steel shuttering. (Not applicable for resting on roof top)

Extra for Staging beyond 4 m [mode of measurement: Area of unsupported horizontal projection (where staging beyond 4 m is practically unavoidable) x mean height of staging] above initial 4 m.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. i) Pakur Variety

Reinforcement in reinforced conc. work in all sorts of structures includg. dist.bars, stirrups, binders etc., initial straightening and removal of loose rust (if necy.) cutting to requisite length, hooking and bending to correct shapde, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundn. basement and upto roof of ground floor/upto 4m. (i) Tor steel/Mild Steel I. Other than SAIL/TATA/RINL(As per PHE vendor List) a) For Pile Foundation with Pile Cap & upto 4 mtr above G.L.

b) From 4 mtr above G.L. upto top of reservoir i) Add Lift Charge Total lift height is 28 m from G.L. Nos. of additional lift (4m each) is 6 Nos. above G.L. Initial lift upto 16 m is @Rs.43.00/Qntl. each lifting and additional lift above 16 m is @ Rs.50.00/Qntl each lifting. [P-44/40(b-i,ii) of PWD SOR (2017)] 1st Lift Rs. 430.00 2nd Lift Rs. 860.00 3rd Lift Rs.1290.00 4th Lift Rs. 1720.00 5th Lift Rs. 2220.00 6th Lift Rs. 2720.00 Final Rate = Rate of Reinforcement Steel per MT. from Analysis+ Lifting Charge i) From 4 mtr. to 8 mtr. Height above G.L.

ii) From 8 mtr. to 12 mtr. Height above G.L.

iii) From 12 mtr. to 16 mtr. Height above G.L.

iv) From 16 mtr. to 20 mtr. Height above G.L. (upto bottom of heal beam).

v) From 20 mtr. to 24 mtr. Height above G.L. (from bottom of heal beam).

vi) From 24 mtr. to top of the reservoir above G.L.

PLASTER

Plaster (toe wall, floor, ceilingetc.) with sand and cement mortar including rounding of for chamfering corners as directed and raking out joints including throating, no singanddrip course, scaffolding / staging where necessary (Groundfloor). [Excluding cost of chipping over concrete surface] I) With (1:4) cement mortar external surface (a) 20mm thick Extra for each addl. floor over the rate of ground floor as above.

i) 4mtr. to 8mtr.

ii) 8mtr. to 12mtr.

iii)12mtr. to 16mtr.

iv)16mtr. to 20mtr.

v)20 mtr. to 24 mtr.

vi)Beyond 24 mtr.

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m

Applying 2 (two) coats of bonding agent with synthetic multi funtional rubber emulsion having adhesive and water proofing properties by making with water in proportion ( 1 bonding agent : 4 water : 6 cement) as per manufacturer's specification.

Repairing crack in wall by cement grouting (1 : 2) including widening the crack on the surface (into V section) cleaning and packing the same with cement mortar (1 : 2) and finishing off to match with adjacent surface. (Cement-69 Kg/100 m)

Painting

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. Two Coat Ground floor, Two coats upto 4mtr. from G.L.

Add extra for each adding floor over the rate for ground i) 4mtr. to 8mtr.

ii) 8mtr. to 12mtr.

iii)12mtr. to 16mtr.

iv)16mtr. to 20mtr.

v)Beyond 20 mtr. Ht from GL & upto top of lantern.

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. (Two Coat) a) Premium 100% Acrylic emulsion upto 4mtr.

Add extra for each adding floor over the rate for ground i) 4mtr. to 8mtr.

ii) 8mtr. to 12mtr.

iii)12mtr. to 16mtr.

iv)16mtr. to 20mtr.

vi)Beyond 20 mtr. Ht from GL & upto top of lantern.

Labour for painting roof surface with Bitumen (using 135 kg (avg.) per % Sq.m.)including cleaning roof, heating bitumen as directed and spreading sand and complete including cost of sand @ 0.6 cu.m. per % Sq.m. and cost of carriage of Bitumen from deptt godown but excluding the cost of bitumen. (If heating is not reqd. then deduct Rs.3.45/- per Sq.m)

Supplying at site hoisting, fitting, fixing erecting and building in position where necessary 450mm wide ladder as per design consisting of 2nos. M.S.Plate of 8mm.thick with necessary base plate 60mm wide; and 16mm.dia M.S.round or square bar as steeps placed @ 300 c/c including fabrication, welding drilling etc. as per drawing and direction and finished with two coats of synthetic enamel painting over a coat of red lead primer etc. all complete as per direction of the EIC

RAILLING

(a) M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. (i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq.mtr.

Disinfection and washing the tank and pipe connection including clearing the inside of the tank etc. complete as per direction of EIC.

Supplying mosquito proof net made of polythene (NETLON) size 75cm. X 75cm. for ventilator including fitting, fixing in the best sal wood frame of 8cm. X 5cm. cross section with necessary wooden batten fixing the assembly with necessary MS clamp in RCC wall at the lantern.

Supplying hoisting, fitting fixing approved type water level indicator with copper float, guide pulley, wire boards etc. as per standard specification and direction and satisfaction of EIC.

Horn gap lighting arrestor complete parts and pin insulators supplying, fitting, fixing all complete as per direction of EIC.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur variety

Supplying at site or stackyard or as directed PCC (1 : 2 :4) Fencing Post 215 cm 150 mm X 150 mm section at bottom, 100 mm X 100 mm section at top with T-Base 300 mm X 150 mm X 100 mm, having 4 nos 6 mm dia vertical M.S. reinforcement and 6 mm dia binders @ 200 mm centres, finished smooth etc., complete

Fixing post of iron or precast concrete by digging hole in the ground (in all sorts of soil) and embedding the same by packing the hole with cement concrete (1:3:6) (with jhama khoa. For Purulia, Bankura and Darjeeling Hill by Pakur Variety, Local Black Hard tone & Bazree respectively) and finishing the top surface to regular shape (as directed) with 15 cm cement plaster (1:6) complete, including the cost of concrete, plaster etc.but excluding the cost of the post (b) Depth exceeding 500 mm. but not exceeding 600 mm. (Cement -9.65 kg/No

Supplying galvanised straining bolts (with eye at one end with double nuts and washers) fitted and fixed complete.

a) Supplying, fitting galvanised 3 ply 12 gauge / 4 points line of barbed wire in fencing (holes already made in the body of the post) or fixed by staples tightening and fixing the wires in taut condition with straining bolts including the cost of cutting and of lapping joints in the wire as necessary but excluding the cost of galvanised staples,straining bolt and binding wire where necessary. (Payment to be made on the length of individual lines of wire.

Earth work in filling in compound tank low land, ditches etc. with good earth in layer not exceeding 150mm. including breaking clods & consolidating the same by ramming & dressing complete.( Payment will be made on profile measurement before and after the work). (ii) With carried earth arranged by the contractor within a radius exceeding 3 km. but not exceeding 5 km. including the cost of carried earth.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.