Agriculture Reference
In-Depth Information
Table 7.3
Standard specifications of work items
Sr. No.
Item
Designation
Specification
See figure
1
Forest soil penetrometer
FSP-1E
Plunger: chisel end 50 mm wide, 3 mm thick tapering from 30 mm thickness along
150 mm length, upper portion of mild steel round bar 30 mm diameter; hammer
free-fall through 500 mm, weight 5 kg, giving an impact energy of 24.5 J per impact
2
Soil hardness class
S-1
Stabilised sand, sandy loam or silt loam
S-2
Clay loam, hard compact loam, or clay which is firm but not hard
S-3
Loam, silt-loam or clay-loam with more than one-third boulders, pebbles, or gravel
S-4
Compact and hard clay without or with up to 30 % gravel, cobbles, or pebbles
S-5
Compact hard clay with more than 30 % gravel, cobbles, or pebbles
S-6
Soft weathered rock or rocky soil
S-7
Firm rock that can be split or excavated without blasting and with the help of picks,
crowbars, and chisels
Top width 0.60 m, bottom width 0.80 m, height 1.2 m, sectional area 0.84 m
2
3
Section of stone-wall fence
SW-1
20-1
Top width 0.60 m, bottom width 0.90 m, height 1.5 m, sectional area 1.125 m
2
SW-2
20-1
Top width 0.45 m, bottom width 0.60 m, height 1.35 m, sectional area 0.709 m
2
with
1:2:8 lime concrete coping on top 75 mm thick and 0.45 m wide (0.03375 m
2
)
SW-3
20-1
Top width 1.50 m, bottom width 0.75 m, depth 1.00 m, sectional area 1.125 m
2
4
Section of ditch-cum- bund fence
DB-1
20-2
DB-2
Top width 1.50 m, bottom width 0.90 m, depth 1.20 m, sectional area 1.44 m
2
20-2
DB-3
Top width 1.50 m, bottom width 0.90 m, depth 1.35 m, sectional area 1.62 m
2
20-2
5
Precast CC blocks with
embedded angle iron
CCB-1
Top section 0.15
×
0.15 m, bottom section 0.25
×
0.25 m, height 0.35 m,
20-3
volume 0.01429 m
3
CCB-2
Top section 0.20
×
0.20 m, bottom section 0.30
×
0.30 m, height 0.45 m,
20-3
volume 0.0285 m
3
6
Precast RCC post for fence
RC-1
Top section 0.10
×
0.10 m, bottom section 0.15
×
0.15 m, height 1.60 m, footing
20-6
0.15 m, volume 0.0347 m
3
size 0.25
×
0.25
×
RC-2
Top section 0.10
×
0.10 m, bottom section 0.15
×
0.15 m, height 2.05 m, footing
20-6
0.20 m, volume 0.04496 m
3
size 0.25
×
0.25
×
RC-3
Top section 0.10
×
0.07 m, bottom section 0.15
×
0.15 m, height 2.10 m, footing
20-6
0.30 m, with upper 0.50 m length bent outward at 45
◦
,
size 0.30
×
0.30
×
volume 0.05396 m
3
7
Barbed-wire fence
BW-1
Wooden posts 1.5 m, 3 strands, 5 m spacing
20-3
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