Public Health Engineering Department-PHED has published Cleaning , Disinfection And Repair Of Over Head Reservoir ( Capacity 1250 Cum ) , Tank No . - 7 At Head Work Site Of Zone- Vii ( Aa - I ) Under New Town Kolkata Water Supply Divn . -I , Phe Dte .. Submission Date for this Tender is 05-02-2021. Desilting Tenders in Action Area-I West Bengal. Bidders can get complete Tender details and download the document.
| Name of Work :- Cleaning, disinfection and repair of over Head Reservoir (capacity 1250 cum), Tank No. - 7 at Head work site of Zone- VII (AA - I) under New Town Kolkata Water Supply Divn.-I, PHE Dte. Sl No. 01 | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Making one set of scaffolding for all kinds of repairing including all services pipes and specials , painting works and deorative works if any of all types of elevated overhead reservoir with 10 cm dia bamboos as main posts at the rate of 1 m center to center and 7.5 cm dia bamboo at the rate of .75 m appart fitting and fixing with necessary coir , nails etc all complete saper dirrection of the Engineer -in-charge.\n(i) Outer extreme dia. of Scaffolding Row = D8 = 21.80 mtr. (6.4 +2x 6.7 + 2 X 1.0) Periphery = 68.45 mtr. (1 Unit) Height = 30.50 mtr. | 1 | 1 | 68.45 mtr |
| 2 | 1.01 | Outer extreme dia. of Scaffolding Row = D7 = 19.80 Mtr.(21.80 – 2X 1.0) Periphery = 62.17 mtr. (1 Unit) Height = 30.50 mtr.\n | 2 | 1 | 62.17 mtr |
| 3 | 1.02 | Bottom portion of OHR of Scaffolding Row = D6 = 17.10 Mtr.(19.60 – 2X 1.25) Periphery = 53.70 mtr., (1 Unit) Heigt 21.00 mtr | 3 | 1 | 53.70 mtr |
| 4 | 1.03 | Bottom portion of OHR of Scaffolding Row = D5 = 14.60 Mtr.(17.1 – 2X 1.25) Periphery = 45.84 mtr., (1 Unit) Heigt 21.00 mtr | 4 | 1 | 45.84 mtr |
| 5 | 1.04 | Bottom portion of OHR of Scaffolding Row = D4 = 12.10 Mtr.(14.60 – 2X 1.25) Periphery = 38.00 mtr., (1 Unit) Heigt 21.00 mtr\nRate = 4361.60 x 1 + 4060.80= 8422.40\n | 5 | 1 | 38 mtr |
| 6 | 1.05 | Scaffolding at the face of support.\n2nd Line of Scaffolding Row D 3 = 9.60 Mtr.\nPeriphery = 30.14 mtr., (1 Unit) Heigt 20.00 mtr\n\n | 6 | 1 | 30.14 mtr. |
| 7 | 1.06 | 1st Line of Scaffolding Row D 2 = 7.60 Mtr. (9.60- 2x 1.0) Periphery = 23.86 mtr., (1 Unit) Heigt 20.00 mtr | 7 | 1 | 23.86 mtr. |
| 8 | 1.07 | Inside of shaft\nInside dia. of Scaffolding Row = D1 = (6.40 – 2 x .25 – 2 x 0.850) = 4.20 mtr. Periphery = 13.20 mtr. (1 Unit) Ht of Scaffolding = 20.00 mtr. \n | 8 | 1 | 13.20 mtr. |
| 9 | 2 | Cleaning silt (every month) from the over head reservoir, cleaning washing and disinfecting the same with bleaching powder, including machinery, tools and plants as per direction of\nEIC complete (Bleaching powder will be supplied by the agency).\nb) Above 1.50 lakh gallon and upto 2.5 lakh gallon capacity OHR | 9 | 1 | /Occ |
| 10 | 3 | 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. | 10 | 650 | Sqm. |
| 11 | 4 | Removing old paint from blistered painted surface with application of soda, sajimati or any approved chemical paint remover and exposing the original surface including cleaning and thorough washing to remove all traces of the removing agent including taking out shutters and refixing the same where necessary. | 11 | 2000 | Sqm. |
| 12 | 5 | Repairs to cracks in terraced roof by cutting V-grooves 75 mm. to 100 mm. deep and 150 mm. to 200 mm. wide and filling the same with beaten lime concrete (2:2:7) with lime putty / paste and finishing complete (2 lime putty / paste : 2 surki : 7 brick khoa ) | 12 | 90 | mtr. |
| 13 | 6 | Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, caffolding/staging where necessary(Ground floor).[Excluding cost of chipping over concrete surface]\n(ii) With 1:4 cement mortar\n(a) 20 mm thick plaster | 13 | 650 | Sqm. |
| 14 | 7 | Wood work in door and window frame fitted and fixed complete including a protective coat of painting at contact surface of the frame.Excluding the cost of concrete , iron butt hinges and M.S. clamps Sal Local | 14 | 0.065 | Cum |
| 15 | 8 | Panel shutters of door and window, as per design (each panel consisting of single plank without joint), including fitting and fixing the same in position but excluding the cost of hinge and other fittings. In ground floor (In case of non-supply of single plank, penal rate of reduction of 20% will be made) (iii) 40mm thick shutters with 19mm thick panel of size 30 to 45 Cm. (b) Sishu, Gamar, Champ,Badam,Bhola,\nMogra, Hallak. (A)ground floor | 15 | 2 | Sqm. |
| 16 | 9 | Supplying, fitting, Fixing Fly / Mosquito proof nylon net on any type of window,door shutter frame with necessary fixing arrangements complete. | 16 | 8.5 | Sqm. |
| 17 | 10 | Removing old paint from blistered painted surface of steel or other metal by chipping including scraping and cleaning and exposing the original surface. | 17 | 240 | Sqm. |
| 18 | 11 | 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.\nIn Ground floor (Two Coat)\nb) Premium 100 % Acrylic Emulsion | 18 | 2350 | Sqm. |
| 19 | 12 | 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 hroughly, complete as per manufacturer's specification and as per direction of the EIC.\nIn Ground Floor:\n(b) Two Coats | 19 | 2350 | % Sqm. |
| 20 | 13 | Painting with ready mixed Black Japan of approved make and brand including smoothening surface\n(b) Two coats | 20 | 150 | Sqm. |
| 21 | 14 | (a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. | 21 | 90 | Sqm. |
| 22 | 15 | A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary :\n(b) On steel or other metal surface :\nWith super gloss (hi-gloss) -\niv) Two coats (with any shade except white)\n | 22 | 90 | Sqm. |
| 23 | 16 | Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.\na) Pakur Variety | 23 | 1.5 | Cum |
| 24 | 17 | Brick work with 1st class bricks in cement mortar (1:4)\n(a) In foundation and plinth | 24 | 2.5 | Cum |
| 25 | 18 | 125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. | 25 | 10 | Sqm. |
| 26 | 19 | Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc.\nNOTE:Cement 0.152 cu.m per100 sq.m. | 26 | 48 | Sqm. |
| 27 | 20 | Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.\n(a) For works in foundation, basement and upto roof of ground floor/upto 4 m\nI. SAIL/ TATA/RINL | 27 | 0.2 | MT |
| 28 | 21 | 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. \n(i) Pakur Variety | 28 | 2.1 | Cum |
| 29 | 22 | Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor)\n(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. | 29 | 30 | Sqm. |
| 30 | 23 | Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge | 30 | 35 | Cum |
| 31 | 24 | M.S. works in brackets made from flats, angles, tees etc. to sizes specialy bent, twisted, forged; making holes drilled and fitted to rafter of trusses with necessary bolts, nuts, washer or screws etc. (length of straight not less than 230 mm)\n(To be used for repair works only) | 31 | 1.8 | Qntl. |
| 32 | 25 | Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. \na) In ground floor including roof. | 32 | 2 | Cum |
| 33 | 26 | Dismantling R.C. floor, roof, beams etc. including\ncutting rods and removing rubbish as directed\nwithin a lead of 75 m. including stacking of steel\nbars.(a) In ground floor including roof. | 33 | 1.8 | Cum |
| 34 | 27 | Any other necessary items as per prevailing current P.W.D. & P.H.E. approved Schedule of rates of Kolkata/24Pgs.(N&S)/New Town W/S. Circle/Area of Kalyani Sub-Division (Building & Plumbing) w.e.f. 01.11.2017 & latest modified corrigendum, thereof and approved schedule of P.H.E. Dte will be applicable. | 34 | 1 | L.S |
| 35 | 28 | GST @ 12 % | 35 | 1 | LS |
| 36 | 29 | Cess @ 1 % | 36 | 1 | LS |
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