Restoration of Weaker portions in both banks of Ariyaru River from LS 17600-17650, 18140-18170, 18300-18375, 18450-18500, 19030-19070 and 19170-19200 m in Punganur, Thayanoor and Pirattiyur Villages of Srirangam Taluk in Trichy District.

Amount

Earth work open excavation 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 a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification

Supplying and Filling of M-Sand complete complying with standard specification and directed by the departmental engineers in charge of the work.

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necess eng placing in layers and vibrating water curing finishing hte surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Providing and placing Plain Cement concrete M15 grade using crusher broken ard granite course ageregate (well graded) of nominal maximum size of 40% of 20mm and 60% of 40 mm down graded to IS specified grading (to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer placing in layers and vibrating , water curing, finishing the surface with all leads and lifts etc, complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications etc., complete complying with standard specifications and as directed by the Departmental Officers

Below Ground Level

Above Ground Level

Supplying and erection of steel centering for sides and soffits with strutting up to 3m height for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and B.G.10 stiffened with welded Mild Steel angles of size 25 X 25 X 3mm for boarding, laid over country wood joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Below ground level with out strutting

Above Ground Level with strutting

Supplying fabricating and placing in position of Mild Steel (MS) or Ribbed Tor Steel (RTS) of grills for all R C C works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and filling graded filter provided in two or more layers (ie., 50, 40, 20 and 12mm size metal provided in two or more layers and for weep hole filter media in Abutment,wings and Return wall etc., complete complying with standard specification as directed by the departmental officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete complying with standard specification and as directed by the Departmental Engineers.

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,medium rock,requiring blasting inclusive of shoring,strutting and bailing out water wherever necessary,refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

Supplying and Filling of Gravel inbetween the gap of CC Block with 75mm thick,etc..complying with standard specification and directed by the departmental engineers in charge of the work.

Casting of precast cement concrete slabs of size 30 x 30 x 15 Cm in Plain Cement Concrete of mix 1:2:4 (One cement, Two sand and Four aggregate) using 20mm size hard broken stone jelly and mixing the concrete and laying the concrete in steel moulds after oiling them properly at casting yard and vibrating finishing the top surface smoothly placing the slab along with the mould and base plate in the casting year, removing the mould carefully after initial setting, placing, the slab in the curing bond after 24 hours from the time of casting, removing, them from the curing, pond after 7 days of curing, stacking them in the stacking yard with in a lead of 100m and curing them from the full period by sprinkling water as directed by the Departmental Officers. Then conveying the precast Cement concrete slabs from the casting yard as specified in the leads statement to the work site including all charges such as for loading at casting yard, conveying the slabs and unloading to the work site and laying the precast cc slabs in the slope of the canal / river to the correct alignment and section of the canal / river with joints not exceeding 6mm, packing with Cement mortar 1:3 (One cement and Three sand) and doing simultaneous flush pointing with the same mortar to full depth of slabs and finishing neatly and curing for 21 days as directed the Departmental Officers excluding the sleeper and the charges for laying the binders if any involved in the work complying with standard specification. Water proofing compound used in Cement Mortar etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Formation of binder wall of Size 30cm with and 45cm depth using PCC slabs of size 30X30X15cm as per Standard specification CC Blocks (Including casting, conveyance and laying) for 1Rm etc., complete complying with standard specifications and as directed by the Departmental Engineers.

GST at 18%

SIVAM ASSOCIATES (BID ID -1458198)

V.JANARTHANAN (BID ID -1458190)