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| 1 | Earth work excavation in all soils and sub soils except hard rock requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering, ramming, depositing the surplus earth in the premises as directed by departmental officers etc., complete as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10- 1m3 For Foundation |
| 2 | Plain cement concrete Using1:4:8 mix (One cement, four Sand and Eight aggregates) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII |
| 3 | Dismantling the existing reinforcement cement concrete structure including all labour charges etc. complete |
| 4 | Reinforced cement concrete 1:11/2:3 (one cement one and half sand and three aggregate) using 20mm size I.S.S. metal including cost conveyance of materials to site and all labour charges etc., mixing laying consolidating curring etc., but excluding cost of steel etc., complete as perstandard specification as per TNDSS NO: 30 V,VI (S3) VII-3 |
| 5 | Stage below G.L up to 1.50m depth |
| 6 | Stage 0 to 4.50m height |
| 7 | Stage from 4.50m to 7.32m height |
| 8 | Stage from 7.32m to 10.98m height |
| 9 | Supplying and erecting steel centering for sides and soffits including supports and strutting upto 3.29 m height for plain surface as RCC slabs, rectangular tee (or) elbeams, lintel, bed block stair case waist slab, landing slab, etc., complete as per standard specification - 10m2 as per TNDSS & Morth specification No:30 & 36 |
| 10 | Plane Surface 0 to 3.30 |
| 11 | Plane surface 3.30m to 4.30m height |
| 12 | Plane Surface 6.30m to 7.30m |
| 13 | Square Column 0 to 3.30m height |
| 14 | Square Column 3.30m to 4.30m height |
| 15 | Square Column 4.30m to 5.30m |
| 16 | Square Column 5.30m to 6.30m |
| 17 | Square Column 6.30m to 7.30m |
| 18 | Circular Column 0 to 3.30m |
| 19 | Circular Column 3.30m to 4.30m |
| 20 | Circular Column 4.30m to 5.30m |
| 21 | Circular Column 5.30m to 6.30m |
| 22 | Curved Surface 0 to 3.30m |
| 23 | Supplying, fabricating and placing in position of mild steel or TMT rods, including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per SS. TNDSS NO: 97 V,VI (S6) VII (S6) VII-3 |
| 24 | Plastering in cement mortar 1:3 (one cement three sand) using 20mm thick including cost and conveyance of all materials and labour charges etc, complete as per standard specification. |
| 25 | Construction of RCC spiral staircase in RCC 1:1:5:3 (One cement 5 sand and 3 coase Aggregates) using 20mm HBGS of 1.80m diameter of required height for approach to the roof of service Reservior with RCC Handrails including earthwork excavation providing CC 1:4:8 mix RCC footting 1:1:5:3 mix GL platform etc., and also including cost of steel reinforcement fabrication charges scaffolding centering precasting charges cement painting etc., complete as per standard specification and as directed by Departmental Officers.The staircase shall be braced to the column of service reservior at suitable interval.(in the BOQ,quantity column the exact height to be mentioned from GL to roof slab bottom to get total value of work to be done. |
| 26 | Supply casting and fixing in position of RCC handrail of height 0.05m thick at top of the OHT and also jointing the handrail with RCC post of size 0.15m dia and 1.00m height including cost of all materials and all labour charges etc complete |
| 27 | Providing two legged scaffolding using 15cm dia casurina post of 4.00m over all length 3.00m height + 0.5m projection the distance between the two rows being 1.25M and the spacingof posts being 2.00m in both the rows with two horizontal posts with 0.5m . Overlap on either side and braces at 2.00mcentre to centre including longitudinaland transverse middle braces to step and provinding a platform with country wood planks of 40mm thick and 1.00m width etc, in a complete from using coir and nails 1.00m run.including cost and conveyance of all material and all labour charges and all other incidental charges etc. completed as per standard specification and as directed by the departmental officers.TNBP No.30 for 15.50m height |
| 28 | Painting two coats with ready mixedEmulsion Paintof\"approved quality and colour over a priming coat, including thoroughscraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials etc.and all lobour charges etc.complete as per Standard specification and as directed by the departmental officers. |
| 29 | Painting two coats over new iron workwith ready mixed paintof apprved quality and colour including cost of all materials and labour charges etc. complete |
| 30 | Supplying and fixing in position of 0.60x0.60m water light CI Man hole frame and cover including all cost and conveyance etc complete |
| 31 | Supply and fixing of RCC inside ladder including cost of all materials and labour charges etc. complete |
| 32 | Supply and fixing of water level indicator for the suitable for 1.00 Lakh litre OHT including cost of all materials and labour charges etc. complete |
| 33 | Writing of scheme details on the side wall of the OHT including cost of paint and all labour charges etc complete |
| 34 | Labur charges for removing the vertical GI Pipes from the OHT before maintenance of OHT |
| 35 | Re-erection of GI pipe and specials after completing OHT maintenance including cost of all materials and labour charges etc complete |
