General : The form work shall include the following:
(a) Splayed edges, notching, allowance for overlaps and passing at angles, sheathing battens, strutting, bolting, nailing, wedging, easing, striking and removal.
(b) All supports, struts, braces, wedges as well as mud sills, piles or other suitable arrangements to support the form work.
(c) Bolts, wire, ties, clamps, spreaders, nails or any other items to hold the sheathing together.
(d) Working scaffolds, ladders, gangways, and similar items.
(e) Filleting to form stop chamfered edges of splayed external angles not exceeding 20mm wide to beams, columns and the like
(f) Where required, the temporary openings provided in the forms for pouring concrete, inserting vibrators, and cleaning holes for removing rubbish from the interior of the sheathing before pouring concrete.
Classification of Measurements: Where it is stipulated that the form work shall be paid for separately, measurements shall be taken of the area of shuttering in contact with the concrete surface. Dimensions of the form work shall be measured correct to a cm. The measurements shall be taken separately for the following.
(a) Foundations, footings, bases of columns etc. and for mass concrete
(b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.
(c) Suspended floors, roofs, landings, shelves and their supports and balconies.
(d) Lintels, beams, plinth beams, girders, bressummers and cantilevers.
(e) Columns, pillars, piers, abutments posts and struts.
(i) Extra for arches, domes, vaults exceeding 6 m span other than curvilinear shaped
(j) Chimneys and shafts.
(k) Well steining.
(l) Vertical and horizontal fins individually or forming box, louvers and bands.facias and eaves board
(m) Waffle or ribbed slabs.
(n) Edges of slabs and breaks in floors and walls (to be measured in running metres where below 200 mm in width or thickness).
(o) Cornices and mouldings.
(p) Small surfaces, such as cantilevers ends, brackets and ends of steps, caps and boxes to pilasters and columns and the like.
(q) Chullah hoods, weather shades, chajjas, corbels etc. including edges and
(r) Elevated water reservoirs.
Centering, and shuttering where exceeding 3.5 metre height in one floor shall be measured and paid for separately.
Where it is not specifically stated in the description of the item that form work shall be paid for separately, the rate of the RCC item shall be deemed to include the cost of form work.
No deductions from the shuttering due to the openings/ obstructions shall be made if the area of each openings/ obstructions does not exceed 0.4 square metre. Nothing extra shall be paid for forming such openings.
Form work of elements measured under categories of arches, arch ribs, domes, spiral staircases, well steining, shell roofs, curvilinear folded plates & curvilinear eaves board, circular shafts & chimneys shall not qualify for extra rate for circular work.
Extra for circular work shall be admissible for surfaces circular or curvilinear in plan or in elevation beyond the straight edge of supporting beam in respective mode of measurement. However, there may be many different types of such structures. In such cases, extra payment shall be made judiciously after deducting areas where shuttering for circular form work is not involved.
