I.0 AREA ALLOWANCES:
A) CORPORATIONS & MUNICIPALITIES:
a) 25% extra over the rates on labour component of works is allowed with in Municipal Corporation Limits of Hyderabad, Secunderabad, Vijayawada, Guntur, Warangal, Tirupati and Visakhapatnam shall be taken in to account for the purpose of allowing the extra percentage).
b) Allow 20% extra over basic rates on labour component of works in all District Headquarters and the remaining Municipal limits ( up to a belt of 12 Kms. from Municipal limits ).
c) For works at Tirumala Hills and Horsely hills in Chittoor District, 30% extra over the basic rates of labour component is allowed.
d) For works located inside Tirumala Temple, allow 20% extra over the rate for Tirumala Hills.
B) JAIL COMPOUNDS:
15% extra is allowed over labour rates for the work in the Jail compounds. Only equivalent number of Man Mazdoor shall be provided in the Jail premises and no women Mazdoor are allowed inside.
C) INDUSTRIAL AREA:
a) 20% over basic rates on labour component works allowed for works situated within 10 Kms belt of Industrial area of, Jeedimetla, Lingampally, Ibrahimpatnam in Ranga Reddy District, Ibrahimpatnam, Vuyyuru, Jaggaiahpeta in Krishna District, Macherla, Gurajala, Challapalli in Guntur District Garividi in Vijayanagaram District, , Kothur in Mahabubnagar District, Patancheru, Ramachandrapur in Medak District, Bibinagar in Nalgonda District, Ramagundam and Godavarikhani in Karimnagar District, Renigunta in Chittoor District and Yerraguntla & Mangampet in Kadapa District, Manchiryal, Mandamarri, Bellampalli in Adilabad District, Sarpaka, Kothagudem, Paloncha, Manguguru, Singareni Collieries in Khammam District, Kamalapur, Bhoopalpally of Warangal District, Wadepally of Nalgonda District, Narapally of Karimnagar District, Hindupur, Tadipatri, Anantapur, Guntakal, Rayalcheruvu, Yadiki of Anantapur District and Adoni, Dhone, Cement Nagar, Nandyal, Kurnool, Yemmiganur & Bethamcherla of Kurnool District .
D) AGENCY / TRIBAL AREAS:
a) 20% extra allowed for the works located with in the interior Agency / Tribal limits, i.e. for the works located 16 KMs from any all weather route inside Agency / Tribal.
NOTE: 1. No extra percentage is permissible in respect of Forest produce such as Bamboo, Rellu grass and for all materials obtained from outside the Agency / Tribal.
2. The extra percentage under Agency / Tribal areas allowance may be allowed on the labour component and on the labour charges in the rates for conveyance of materials.
3. The extra percentage on cost of materials in Agency / Tribal areas can be allowed on the labour component only, if they are manufactured in the Agency / Tribal areas itself except Forest produce.
E) GHAT ROADS:
For Ghat Roads steeper than 1 in 20, the length of the road may be taken as 1.5 times the existing length of the road for the purpose of leads only for conveyance of materials based on the certificate for the Ghat Road given by the Superintending Engineer concerned.
Foot Note: Under compelling circumstances, the concerned Chief Engineer can adopt the equivalent length of road as 2 ½ times of actual length.
Note below area allowances:
If more than one area allowance ( such as those ) for (1) Municipalities (2) Agency / Tribal areas (3) Industrial areas (4) Ghat roads are applicable for a particular situation, only the maximum out of the allowable percentages is to be allowed.
2.0 IMPORTATION OF LABOUR AND LABOUR AMENITIES:
Maximum 13% towards LI & LA will be allowed only in the case of works where the labour component i.e. excluding cost of material such as cement and steel works out to more than Rs. 5.00 lakhs on the basis of certificate of Executive Engineer that the labour available is not adequate and that labour has to be imported for executing the work, subject to approval of the Chief Engineer.
Note: 1) Extra percentage towards labour importation and labour amenities where necessary, is admissible in addition to other percentage allowed:
3.0 WATER LEADS:
The following labour is allowed for conveyance of water for every ½ Kilometer lead or part there of over the initial lead of ½ kilometer.
a) Cement concrete: 1.5 Women Mazdoor / Cum.
b) Masonry: 1.0 Woman Mazdoor/ Cum.
c) Plastering: 0.5 Woman Mazdoor/ 10 Sq.m
Note:- For Water leads of over 2 KMs, specific approval of Chief Engineer concerned is necessary.
4.0 EXCAVATION OF TRIAL TRENCHES, TRIAL PITS AND EXCAVATION IN RESTRICTED PLACES: -
I) EXCAVATION OF TRIAL TRENCHES, TRIAL PITS AND EXCAVATION IN RESTRICTED PLACES: -
A. TRIAL TRENCHES:
1) Trial trenches of not more than 2 metres in width … 25% extra
B. TRIAL PITS:
1) Up to 2 Metres depth … 25% extra
2) 2 Metres to 4 Metres depth … 50% extra
3) 4 Metres to 6 Metres depth … 75% extra
4) 6 Metres to 8 Metres depth … 100% extra
5) 8 Metres to 9 Metres depth … 150% extra
6) More than 9 Metres depth … 200% extra
II) EXCAVATION IN RESTRICTED PLACES:-
I) Foundation of Buildings … 50% extra
II) For pipe lines where the depth is less … 75% extra
than 1.5 times the width
III) For pipe lines where the depth is … 120% extra
1.5 times or more than the width
IV) Silt removal in restricted areas such … 120% extra
U. T.s., Culverts and Syphons.
V) Excavation of field channels … 75% extra
VI) For narrow trenches not more than
2 meters in width and depth not less
than twice the width and for excavation … 75% extra
of road boundary drains, model sections
of canals.
VII) High berm cutting of not more than … 50% extra
150 mm average thickness and
sectioning for roads
Note: 1) The extra percentage is allowed over S. S. 20 B rate for corresponding soil. It includes the charges for all lifts and initial lead but does not include deviation of charges if any in respect of all the items under ( A) and (B) above.
2) The above extra percentages in respect of excavation in restricted places are not to be allowed in respect of items involving blasting component which may be taken as 1/3 of the cost.
5.0 Proportion of First class and 2nd class workmen under Skilled Labour:
30% of the skilled labour provided in the data may be taken as 1st Class and the remaining 70% as 2nd Class.
6.0
A) Cement Concrete proportion and requirement of coarse aggregate etc., for 1 cum (unit ) of finished work:
I) For Cement concrete proportions (1:4:8), (1:5:10) etc., 0.92 cum. of coarse aggregate shall be adopted and the quantity of mortar required calculated proportionately in each case.
II) For cement concrete proportions (1:5:8), (1:6:10) etc., 0.90 cum. of coarse aggregate shall be adopted and the quantity of mortar required calculated proportionately in each case.
B) Requirement of Cement for stone masonry per unit ( one cum.) of finished work:
I) C. R. Masonry 1st Sort 0.28 Cum. of Cement Mortar.
II) C. R. Masonry 2nd Sort 0.32 Cum. of Cement Mortar.
III) R. R. Masonry 0.34 cum. of Cement Mortar.
Note:- In massive walls above 3 Mts. thick 0.40 cum. of cement mortar shall be allowed.
7.0 Revetment and apron works:
I) The size of stone for the volume range ( 0.015 to 0.030 Cum) shall not be less than (0.30 X 0.30 X 0.15 to 0.30 X 0. 225 X 0.225m)
II) The size of stone for the volume range (0.011 to 0.015 Cum) shall not be less than (0.30 X 0.225 X 0.15 to 0.225 X 0.225 X 0. 225 m)
III) The rate of labour component as per the standard data book is to be adopted for revetment work only. However for apron work Rs. 2.50 per cum. should be deducted.
IV) For the labour for the “Rock Toe” shall be taken as 2/3rd of the labour charges of revetment as Chief Engineer, Circular No. P3/ OT2/ T3/ 65167/78, Dt: 19.03.1980.
8.0 Deep cuts:
Deep cuts are defined as reaches of canal where excavation in all soils is for a depth of excavation 6m and more. The following increase over normal rates is permitted in deep cuts on a graded basis.
I) Up to 6 m excavation: The S. S. R. of corresponding classification of earth work excavation is applicable.
II) Beyond 6 m and up to 9 m excavation - 9% extra
III) Beyond 9 m and up to 12 m excavation - 12% extra
IV) Beyond 12 m and up to 16 m excavation - 15% extra
V) Beyond 16 m and up to 30 m excavation - 20% extra
VI) Beyond 30 m excavation - 40% extra
NOTE : 1)The extra percentage is only on basic rate. 2) The above percentage are not applicable for “LEADS & LIFTS”. 3) The above extra percentages are to be allowed only on items excluding the blasting component which may be taken as 1/3 of the rate.
9.0 The conveyance of bitumen for bulk and packed may be admitted as follows:
Packed --- Rs. 2.00 per Km/ MT
Bulk --- Rs. 1.10 per Km/ MT (round the trip)
NOTE:- For the building items the rates in standard schedule are basic
rates, Conveyances and area allowances are applicable as per the site condition on the basic rates
10.0 SEIGNIORAGE CHARGES:
Seigniorage charges for materials as fixed by the Government in G.O.Ms.No.331 (industries and commerce department),dated. 21.06.2000 and G. O. Ms.No. 466 ( Industries and commerce dept.,) dt. 24.08.2000 may be added in the data of rates in the estimate.
11.0 EARTH WORK EXCAVATION BY MACHINERY:
Excavation in all soils upto SDR & Stone matrix with machinery within a radius of 5 m i.e. cut and dump – Basic rate for SS 20B Rs. 20.10 / cum
NOTE:- The machinery rate for earth work excavation should be adopted for more than 1000 cum quantity as per G. O. Ms. No. 134 (Irrigation & COD) Dated: 25.11.2002.