Nagercoil Corporation Maintenance of drainage and BT surface at Christhu Nager Main road in ward no.16

Amount

Maintenance of drainage and BT surface

Earth cutting and sectioning and levellingincluding initial lead of 10m and initial llift of 2m in sand silt or other loose soil wet sand or silt not under water light black cotton soil sndy loam and ordinary soil including excavated earth etc. complete (TNBP No.20B)

Providing and laying ,spreading and compacting graded stone aggregate to wet mix macadam (WMM ) soecification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

Providing and laying prime coat over WBM/WMM surface using 7 Kg of Emulsion Bitumen (SS1) per 10sqm for preparatory to another bituminous construction over it, including cost of material, labour charges,rentals for machinery,fuel and all other incidental charges etc. complete as per clause 502 of MORTH

Providing and laying tack coat of 2kgs/10 sqm over the BT surface treated with binder using 2 kgs of bituminous Emulsion (RS) for 10square meter area including cost of bituminous binder, including labour charges for applying the required quantity of bituminous binder as tack coat manually etc., complete as per 503 of MORTH Specifications

Providing and laying 50mm compacted thick bituminous macadam using 0.42 cum of 26.5-11.2 mm graded metal and 0.10 cum of 11.2-2.8 mm graded metal and 0.18 cumof 2.8 mm and below with 38 kgs of bitumen for premixing per 10 sqm including cost and conveyance of all materials to work site and stacking them on road side to standard departmental gauge for pre-measurement,heating the bitumen in bitumen boiler,heating the aggregates and mixing them with bitumen in mini hot mix plant, spreading the mix to the required grades and lines, compaction by 80-100 KN power roller including labour charges for loading spreading etc., including hire charges and fuel charges for mini hot mix plant, power roller, bitumen boiler and all other tools and plants employed, etc.,complete as per clause 504 of MORTH specificatoion.

Providing and Laying Premix carpet with seal coat type 'A' for 20mm thickness using 0.18 cum of 13.2 mm to IRC HBG metal and 0.90 cum of 11.2 mm IRC HBG metal with 14.6 kgs bitumen for premixing per 10 sqm of pre mix carpet and 0.09 cum of 6.7 mm IRC HBG metal with 9.8 kgs of bitumen for seal coat type 'A' for 10 sqm including cost and conveyance of all materials of work site and stacking them the departmental metric guage for pre measurement heating the aggregate and mixing them with bitumenious mini hot mix plant for pre mix carpet only rolling by 80-100Kn Power roller for including labour for spreading over the premix carpet etc including hire fuel charges for mix plant power roller bitumen boiler and all tool and plan employed etc complete.

Providing steel centering for sides and soffits including supports and strutting upto 1:10/1:20 up to 3.29m height for plain surfaces such as RCC slabs, rectangular beams, Tee beams, bed blocks, Culvert body walls, deck slabs, retaining walls, staircase, Landing slab, landing beams, canopy etc., x60mmx10gauge stiffened into welded mild steel angles of size 25mmx6mm for boarding laid over silver oak (Country wood) joists of size 10cmx 6.5cm spaced at 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 15cm c/c including cost of nails, ropes, all labour charges and incidental charges etc. complete complying with standard specification.(TNBP Spl. No.154 A)

Laying Plain cement concrete 1:2:4 (One cement,two sand and four aggregates) using 20mm ISS Hard broken granite stone jelly for plain cement concrete works excluding cost of shuttering, conveyance of all materials to work site, mixing and laying concrete finishing the surface nearly rough, compacting using vibrators, curing etc, complete complying with standard specification.(TNBP No.28)

NADARAJAN