Contents
Foreword I
1 General Provisions 1
2 Terms 1
3 Bill Quantity Development 2
3.1 General Requirements 2
3.2 Bill Quantity for Classification & Sub-divisional Works 2
3.3 Measure Item Bill 3
3.4 Other Item Bills 3
3.5 Chore Item Bills 3
4 Bill Quantity Valuation 3
5 Format on Bill Quantity and Its Valuation 4
5.1 Format on Bill Quantity 4
5.2 Format on Bill Quantity Valuation 16
Annex A Bill Quantity Items and Calculation Rules on Water-conservancy Construction Works 35
A.1 Earth Excavation Works 35
A.2 Stone Excavation Project 38
A.3 Earth-stone filling work 43
A.4 Dredging and Dredging-filling Works 46
A.5 Masonry Works 55
A.6 Anchor-spraying and Supporting Works 56
A.7 Drilling and Grouting Works 62
A.8 Foundation Seepage Control and Subgrade Stabilization Works 70
A.9 Concrete Works 74
A.10 Formwork 80
A.11 Processing and Installing Works of Steel Bar and Steel Member 81
A.12 Pre-cast Concrete Works 82
A.13 Raw-material Exploitation and Processing Works 85
A.14 Other Construction Works 88
Annex B Bill Quantity Item and Calculation Rules on Water Conservancy Installation Works 89
B.1 Works on Electromechanical Equipments Installation 89
B.2 Works on the Installation of Metallic Structural Equipments 99
Table B.3 Purchasing and Installation Works on Safety Monitoring Equipments 102
Explanation of Wording in This Code 105
1.0.1 In order to standardize the valuation, development and valuation method of the bill quantity for water conservancy work, this code is developed according to "Law of the People's Republic of China on Tenders and Bids" and the current national standard "Code of Valuation with Bill Quantity of Construction Works" ( GB 50500-2003).
1.0.2 This code is applicable to the valuation of bidding and tendering bill quantity for the construction, extension, renovation and consolidation works on hydro junction, hydropower, water diversion (transformation), water supply, irrigation, river & lake improvement and embankment etc.
1.0.3 Such valuation of bill quantity shall follow the principles of objectiveness, justness and impartiality.
1.0.4 In addition to meet the requirements of this code, the valuation of bill quantity for water conservancy works shall meet the requirements specified in the relevant national laws, regulations, standards and codes.
1.0.5 Annex A and Annex B in this code shall be the references to develop the bill quantity of water conservancy works and these two annexes are as authentic as the text.
1 Annex A - Bill Quantity Items and Calculation Rules on Water-conservancy Construction Works, is applicable to water-conservancy construction works
2 Annex B - Bill Quantity Items and Calculation Rules on Water-conservancy Installation Works, is applicable to water-conservancy installation works.
2.0.1 Bill quantity
The names of classification & sub-divisional work items, measure items and other items of bidding works as well as the detailed bills of corresponding quantity
2.0.2 Item code
The items are coded with twelve Arabic numerals (from left to right). The first nine digits are uniform codes. Thereinto, 1-2 digits are the sequence codes of water conservancy work; 3-4 digits are sequence codes of professional works; 5-6 digits are the sequence codes of classification works; 7-9 digits are sequence codes of sub-divisional works and 10-12 digits are sequence codes of bill item names.
2.0.3 Work unit price
The direct cost (including labor cost, material cost, machinery usage cost as well as the additional direct cost due to seasons, nights, meseta and sandstorm etc.), construction management cost and enterprise profits & taxes all of which are required to finish one qualified and specified measurement-unit item listed in bill quantity
2.0.4 Measure item
Construction measure item, in order to complete the construction of work item, which occurs before and during the construction of this work and for which tenderee requires no work quality
2.0.5 Other items
Cost item, in order to complete the construction of work item, which occurs before and during the construction of this work and for which tenderee requires list