IS 1200 Code All Part : Methods of Measurement of Building

  2. IS 1200 Code 1992 Part 1- Earthwork  

a. Measurements: (Is 1200 Part 1, Page no.- 1 Cl 2.3)

a. Each dimension must be calculated to the closest 0.01 m.

b. Areas shall be performed out to the closest 0.01 sq.m.

c. Cubical contents shall be performed out to 0.01 cu.m.

b. Not Consider in MB /Work to be Calculated Separately  (Is 1200 Part 1, Page no.- 1 Cl 2.4)

a. Work in or underwater,

b. Work in or under foul situations,

c. Work under tidal conditions,

d. Work in snow

c. Authorized working space shall be unique in each case. Where authorized working space is not so specified, the following shall apply. (Is 1200 code Part 1, Page no.- 3 Cl 4.2.5.1)

600 mm measured from the face of the substructure ( including protective measures, if any) at the lowest level, where extra working space is required.

In addition, the extra length at each end shall be 1.5 m in trenches, which receive post-tensioned concrete ground beams.

d. When the measurement of excavation in Sq.m  /Surface Excavation (Is 1200 code Part 1, Page no.- 3 Cl 4.6)

Excavation exceeding 1.5 m in width and 10 sq.m on a plan but not exceeding 300 mm in depth shall be described as ‘surface excavation’ and measured in square meters.

  3. IS 1200 Code 1974 Part 2- Concrete Works  

1. Measurements/Dimension: (Is 1200 Part 2, Page no.- 3 Cl 2.4)

a. Unless otherwise stated, all work shall be calculated net in the decimal system as set in its place as given below point 1 to below point 3. Any work accomplished extra over the specified dimensions shall be omitted.

b. Dimensions shall be calculated to the closest 0·01 m except for the thickness of the slab, which shall be calculated to the closest 0·005 m,

c. Areas may be performed to the closest 0·01 square meters.

d. Cubic contents shall be performed to the closest 0·01 cubic meters.

2. Not Consider in MB /Work to be Calculated Separately (Is 1200 Part 2, Page no.- 4 Cl 2.6)

a. Work in or underwater.

b. Work in or under foul situations.

c. Work under tidal conditions.

d. Work in snow.

e. Work in liquid mud

3. No deduction shall be created for the following (Is 1200 Code Part 2, Page no.- 6 Cl 4.1.8)

a. Ends of dissimilar materials include beams, ports, rafters, purlins, trusses, corbels, and steps up to 500 cm² in cross-section.

b. Opening up to 0.1 m² or as specified.

c. The volume occupied by reinforcement.

d. The volume occupied by pipes, conduits, sheathing, etc., not exceeding 100 cm² each in cross-sectional area or as specified.

e. Small voids, such as the shaded portions below fig., when do not exceed 40 cm² each in cross-section.

f. Stops, miters, returns, rounded ends, junctions, dishing, etc., in connection with linear or super labors.

Note: In calculating the area of an opening. The thickness of any separate lintel or sill shall be included in the height. No extra labor for forming such an opening or void shall be measured.

  4. IS 1200 Code 1976 Part 3- Brickwork  

1. Measurements: (Is 1200 Code Part 3, Page no.- 4 Cl 2.3)

a. Each dimension shall be calculated to the closest 0.01 m.

b. Areas shall be performed to the closest 0.01 sq.m. and

c. Cubical contents shall be performed to the closest 0.01 Cu.m.

2. Work to be Measured Separately (Is 1200 Part 3, Page no.- 5 Cl 2.7)

a. Work in or underwater.

b. Work in or under foul situations.

c. Work under tidal conditions.

d. Work in snow.

e. Work in liquid mud

3. No deductions or additions shall be completed on any account for the following: (Is 1200 Part 3, Page no.- 7 Cl 4.1.4)

a. Ends of different materials (joists, beams, lintels, posts, girders, rafters, purlins, trusses, corbels, steps, etc.); up to 0.1 sq.m. in section.

b. Opening up to 0.1 sq.m. in the area (See Note).

c. Wallplates, bed plates, and bearing of slabs, CHAJJAS, and the like, where thickness does not surpass 10 cm, and the bearing does not spread over the total thickness of the wall.

d. Cement concrete blocks for holdfasts and holding down bolts.

e. Iron fixtures contain wall ties, pipes up to 300 mm diameter, and holdfasts for doors and windows.

f. Chases of sections not surpassing 50 cm in circumference.

Note- In the measuring area of an opening, any separate lintel or sills shall be enclosed with the opening size. End parts of the lintel shall be excluded, and the additional width of a rebated reveal, if any, shall also be banned.

4. Circular brickwork (Is 1200 Part 3, Page no.- 8 Cl 5)

a. Brickwork circular on a schedule to a mean radius not exceeding 6 m shall be calculated individually and contain all cutting, waste, and templates.

b. Brickwork circular on a plan to a mean radius surpassing 6 m shall be calculated separately and contained with general brickwork.

5. Cutting holes in Brickwork (Is 1200 Part 3, Page no.- 11 Cl 23)

a. Cutting holes through brickwork containing producing goods shall be calculated per centimeter of the depth of cutting and shall be organized as follows :

b. Holes not surpassing 400 ems in area, and

c. Holes were surpassing 400 ems and not surpassing 0.1 Sq.m. in area.

6. Broken glass coping in Brickwork (Is 1200 Part 3, Page no.- 10 Cl 18)

Broken glass coping laid with brickwork shall be calculated in square meters and explained, stating the thickness of mortar and weight of broken glass per square meter of coping.

7. Filleting in Brickwork (Is 1200 Part 3, Page no.- 10 Cl 17)

Filleting is a mortar, as in flashings on roofs, which shall be expressed and calculated in running meters stating fillet shape and sectional area.

  5. IS 1200 Code 1976 Part 4- Stone Masonry  

1. Measurements: (Is 1200 Part 4, Page no.- 4 Cl 2.3)

a. Each dimension shall be calculated to the closest 0.01 m.

b. Areas shall be performed to the closest 0.01 sq.m. and

c. Cubical contents shall be performed to the nearest 0.01 Cu.m.

2. Waste in stone masonry (Is 1200 Part 4, Page no.- 4 Cl 2.5)

Unless otherwise stated, all cutting measurements shall be deemed to contain consequent waste.

3. Deduction in stone masonry (Is 1200 Part 4, Page no.- 4 Cl 2.6)

Where the lowest area is defined for subtracting an opening, void, or both, such area shall direct only to the opening or void within the space calculated.

4. Work to be Measured Separately (Is 1200 Part 4, Page no.- 5 Cl 2.7)

a. Work in or underwater.

b. Work in or under foul situations.

c. Work under tidal conditions.

d. Work in snow.

e. Work in liquid mud

5. No deductions or additions shall be made on any account for the following: (Is 1200 Part 4, Page no.- 7 Cl 4.1.4)

a. Ends of different materials (joists, beams, lintels, posts, girders, rafters, purlins, trusses, corbels, steps, etc.); up to 0.1 sq.m. in section.

b. Opening up to 0.1 sq.m. in the area ( see Note ).

c. Wallplates, bed plates, and bearing of slabs, CHAJJAS, and the like, where thickness does not exceed 10 cm, and the bearing does not spread over the total thickness of the wall.

d. Cement concrete blocks for holdfasts and holding down bolts.

e. Iron fixtures contain wall ties, pipes up to 300 mm diameter, and holdfasts for doors and windows.

Note – In the calculating area of an opening, any individual lintel or sills shall comprise the opening size. End parts of the lintel shall be banned, and the extra width of a rebated reveal, if any, shall also be banned.

6. Boulder work in Stonemasonry  (Is 1200 Part 4, Page no.- 11 Cl 20)

Boulder work shall be measured in cubic. Meters stating the size of boulders and categorized as follows:

a. Boulder filling dry hand-packed,

b. Boulder is walling dry, and

c. Boulder walling in mortar starting mix of mortar.

7. Additional labor in dressed stonework (Is 1200 Part 4, Page no.- 10 Cl 17)

The following labors shall be calculated individually in square meters when surpassing 10 cm in circumference or width and running meters if not surpassing 10 cm in circumference or width unless contained in the main item:

a. Sunk work to faces, beds, and joints as in arches, voussoirs and critical blocks, splays, batters, weatherings, etc.; and

b. Molded work as in cornices (Girth of molding measured).

c. The following labors shall be calculated individually in running meters when not surpassing 10 cm in width or girth unless contained in the main item:

d. Chamfers, arrises, or splays not surpassing 1.5 cm in width;

e. Chamfers, arrises, or splays surpassing 1.5 cm but not surpassing 10 cm in width;

f. Rounded bullnose angles or moldings or hollow angles;

g. Rebates, grooves ( Square, hollow, or dove-tailed ) in facework;

h. Rebates, grooves ( Square, hollow, or dove-tailed ) for joints, tongues of sills, etc.; and

i. Cutting chisel drafted margin.

  6. IS 1200 Code 1982 Part 5 – Formwork  

1. Measurements in formwork (Is 1200 Part 5, Page no.- 4 Cl 2.4)

a. All works shall be calculated net in the decimal system, as fixed in its place as given in points 1 and 2.

b. Dimensions shall be calculated to the closest 0.01 m.

c. Areas shall be performed to the closest 0.01 m².

2. Work to be Measured Separately (Is 1200 Part 5, Page no.- 4 Cl 2.5)

a. Work in or underwater.

b. Work in or under foul situations.

c. Work under tidal conditions.

d. Work in snow.

e. Work in liquid mud

3. Formwork shall be generally classified as follows and measured separately unless specified otherwise:(Is 1200 Part 5, Page no.- 6 & 7 Cl 5.1)

a. Foundation, footings, bases of columns, etc., and mass concrete.

b. For flat surfaces, such as soffits of floors, roof landings, and the like where floors exceed 200 mm, the formwork shall be measured separately, stating the thickness.

c. Vertical surfaces, such as walls, partitions, and the like, including attached pilasters, buttresses, plinths, string courses, and the like, etc.

4. Sloping or battering surfaces, including folded plates;

Where inclination to the horizontal plane does not surpass 30⁰ (Requiring shuttering only on the underside)

Where inclination to the horizontal plane surpasses 30⁰ (where shuttering may be provided both on the underside and upper side if needed) (The only underside area to be calculated).

# Arches

i. Up to 6 m span

ii. Above 6 m span

# Cylindrical Shells ( Area of Underside to be Measured)

i. Radius less than 3 m

ii. Radius above 3 m

e. Waffle or ribbed slabs where shuttering is needed for the bottom inclined surface;

f. Dormer vaults and shell roofs having curved surfaces in both directions (Only the area of the underside shall be calculated)

g. Sides and soffits of beams, beam haunchings, cantilevers, girders, bressummers, and lintels; beams and girders 1 m deep and over shall be calculated individually;

h. Sides of columns, piers, pillars, posts, stanchions, and struts

i. Edges of slabs and breaks in floors and walls (Measured in running meters under 203 mm width or thickness).

j. Cornices and moldings.

k. Small surfaces, such as cantilever ends, brackets and ends of steps, caps, and bases to pilasters and columns and the like

l. Challah hoods, weather shades, Chhajjas, corbels, etc, including edges.

m. Staircases with sloping or stepped soffits, including risers and stringers, except landing.

j. Spiral staircases.

k. Chimneys and shafts.

l. Elevated water reservoirs.

m. Well, steining.

n. Fins.

5. No deductions (Is 1200 Part 5, Page no.- 8 Cl 6.4)

No subtraction shall be done for openings up to 0.4 m². The subtraction shall be prepared for any opening/cutouts when the slip-form technique is employed.

  7. IS 1200 Code 1974 Part 6- Refractory work  

1. Measurements in refractory work (Is 1200 Part 6, Page no.- 4 Cl 2.3)

a. Unless otherwise said, work shall be calculated net in the decimal system, as fixed in place, as given in points 1 to 4.

b. Dimensions shall be calculated to the closest 0.01 m.

c. Areas shall be performed to the closest 0·01 m².

d. Cubic content shall be performed to the closet of 0.01 m³.

e. Weight shall be performed to the nearest 0.001 tonnes.

2. Wastage in refractory work (Is 1200 Part 6, Page no.- 4 Cl 2.5)

Unless otherwise stated, all cutting measurements shall be considered to contain consequent wastage.

This was for the IS 1200 code.

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