SAM 2.0-LAYING OF POROUS CONCRETE BET AT RUNOFF INLETS, AT GOPALA SAMUTHARAM TANK , WARD NO 12,DINDIGUL,TAMILNADU

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,

Porous Cement Concrete 1:3 (One part of Cement, three coarse aggregates) using 30mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Supplying and erecting centering for vertical plain/ RCC concrete walls of supply channel, retaining wall etc upto 90Cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver Oak/ Country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm C/C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C/C etc,, complete complaying with standered specfications and as directed by the departmental officers. - Plinth Beam

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and Maintenance (O&M) following the Defect Liability Period (DLP-01 year) one-year, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.