Schedule I
Specification for Imported Sawn Timber to be Purchased from the Local Suppliers
1.0
1.1
GENERAL REQUIREMENTS
Species
Timber from Malay Peninsula :
Standard Name
Scientific Name
Density Range
Grade
Kg/Cu.M at 15% M.C
1.2
_____
Kempas
Koompassia malaccensis
770-1120
Standard structural grade
Tulang
Koompassia excelsa
800-865
do
Kandis
Garcinia species
690-1120
do
Content of Sapwood
Sapwood is not allowed.
1.3
Decay
Fungal decay is not allowed.
1.4
Insect attack and damages
Borer holes or any other insect attack or damages are not allowed.
1.5
Shape
Faces of the sawn timber shall be generally rectangular in shape with straight edges.(Wane edges are not
allowed.)
1.6
Seasoning
a) All sawn timber pieces irrespective of species are to be air seasoned. Such air seasoning shall be sufficient
to ensure prevention of drying damages .
b) Seasoning is deemed to commence at the time of saw milling . Sawn Timber should be air seasoned for a
reasonable time period, and they shall be protected against heavy and continuous rain.c) The moisture content of the sawn timber shall be determined prior to deliver by the oven dry method. or
moisture meter .The moisture Content of timber shall not be greater than 28% .
2.0
3
Timber Grade
a) All timber species shall comply with standard structural grade or higher quality grade.
b) All timber pieces to be free from drying defects such as splits, cracks, ring and cup shakes, case
hardening etc. Such defects are not allowed.
CRITERIA FOR SELECTION
The committee appointed by the chairman STC will examine and select the Sawn timber before dispatch to
the STC depot .The committee will examine Timber Species , Content of Sapwood, Decay ,Cross sectional
sizes ,seasoning ,shape and moisture content etc ,as mentioned in the specification
4.0
SAWING REQUIREMENTS
Sawn Timber Sizes & Requirement -250 Cu.m 5% + Or 4.1
Dimensions and quantities:
Cross Section(inch.)Length (ft.)
4"x2"
3"x4"
3"x5"
Nos
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
pcs
125
125
250
440
400
370
350
320
300
280
270
250
240
230
220
210
200
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
125
125
125
135
120
110
105
100
90
90
80
80
75
70
65
65
60
12
13
14
15
16
17
18
19
20
21
50
50
45
45
40
35
35
30
30
30
Cross Section(inch.)Length (ft.)
Nos
3"x6"
12
13
14
15
16
17
18
19
20
21
22
23
24
pcs
20
20
20
15
15
15
15
14
14
13
13
10
10
4"x6"
12
13
14
15
15
15
15
14
16
17
18
19
20
21
22
23
24
13
13
10
10
10
10
10
10
8
12
13
14
15
16
17
18
19
20
20
20
18
15
15
15
15
20
21
22
23
24
15
12
12
12
12
12
13
14
15
20
18
18
18
1"x9"
1"x10"
2"x6"
4.2
22
23
24
30
30
25
16
17
18
19
15
15
15
12
12
13
14
15
16
17
18
19
20
21
22
23
24
70
60
60
55
50
50
45
40
40
40
35
35
35
20
21
22
23
24
12
12
12
10
10
If the timber is bare Sawn the maximum variation of exact Cross Sectional sizes of required timber should
not be less than 3 mm or 1/8’’