Additional works to combined JC AC office HRCE Vellore

Earth work excavation for foundation by mechanical means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with initial lead and lift. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Earth work excavation for foundation by manual for isolated, combined and other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compund in places shown by the departmental officers with an initial lead of 10 mts and initial lead of 2.00 mts and clearing and levelling the site, etc, complete complying with standard specification and as directed by the departmental officers.

Providing wet Mix Macadam 250mm thick (Table 400-13) (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of 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 achieve the desired density, complete as per clause 406) including cost of all materials, labour charges, machineries hire charges fuel and all other charges etc.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. Complete complying with standard specification

Supplying and filling gravel in foundation and basement with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. Complete complying with standard specification

Plain cement concrete 1:5:10(One of cement five of sand and ten aggregate) using 40mm gauge hard granite broken stone jelly for foundation and basement including cost and conveyance of all materials labour for mixing, laying, compacting, curing, dewatering, side shuttering, wherever necessary etc., complete conplying with standard specification.

Brick work in Cement mortar 1:5 (one cement of five M sand) using best clay burnt bricks of Size 9' x 4 - 3/8 x 2- 3/4 ” with class destination 7.5 including neat finishing, curing etc, complete complying with standard specification. (For foundation and basement)

Brick work in Cement mortar 1:6 (one cement of six M sand) using best clay burnt bricks of Size 9' x 4 - 3/8 x 2- 3/4 ” with class destination 7.5 including neat finishing, curing etc, complete complying with standard specification. (For Superstructural in ground floor)

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener , side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m hright in all floors with all cross bracing using MS sheets made of 10 gauge thick welded with MS angle of size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m ( expandable upto 3.60m) and silver oak joists of size 10 x 5 spaced at 50 cm to 60 cm c/c supportede by steel adjustable telescopic props of size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) spaced at not more than 50 to 60cm c/c etc complete complying with standard specifications. steel adjustable span and steel adjustable telescopic props shall be provided as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid)