Kubo Area Agricultural Village Drainage Pipeline Facility Construction (Part 9) Ordering Documents

Kubo Area Agricultural Village Drainage Pipeline Facility Construction (Part 9) Ordering Documents Kubo Area Agricultural Village Drainage Pipeline Facility Construction (Part 9) Reiwa Year Month Day - Reiwa 9 (2027) March 18 Article 1 (Application of Common Specifications for Civil Engineering Works) This work shall be carried out in accordance with the "Common Specifications for Civil Engineering Works" established by the Okinawa Prefectural Government, Department of Agriculture, Forestry and Fisheries. Article 2 (Special and Additional Provisions to the Common Specifications for Civil Engineering Works) Special and additional provisions to the Common Specifications for Civil Engineering Works are as follows: Chapter Section Article Clause 1 1 2 1 2 3 1 2 4 1 5 1 6 1 2 Reiwa 8 (2026) Work Name: The site office shall be equipped with a summary of the work, implementation schedule, organizational chart, weather map, and other necessary information for easy understanding. Interpretation of Doubts This work shall be carried out in accordance with these special specifications and drawings. Matters not described in these special specifications shall be in accordance with the Common Specifications for Civil Engineering Works, Civil Engineering Work Construction Management Standards (established by Okinawa Prefectural Government, Department of Agriculture, Forestry and Fisheries), and other reference documents. Construction shall prioritize these special specifications and drawings, followed by the Common Specifications for Civil Engineering Works, Civil Engineering Work Construction Management Standards, and other reference documents. The contractor shall consult with the supervisor promptly if there are any unclear points or doubts in the design documents before and during construction. Employment Relationship between Chief Engineer and Supervising Engineer Pursuant to Article 26 of the Construction Industry Act, the chief engineer or supervising engineer exclusively assigned to the construction site must have been in an employment relationship with the contractor (company) for at least 3 months prior to the bid execution date. SPECIAL AND ADDITIONAL SPECIFICATIONS The contractor shall establish a site office within or near the construction site. Work Location: Nago City, Henoko/Toyohara area Construction Period: The contractor shall submit documents proving the employment relationship of the chief engineer or supervising engineer exclusively assigned to the construction site (copy of health insurance card, etc.) along with the commencement notification. Procedures Necessary for the Work All procedures necessary for the work shall be coordinated with related parties and government offices by the contractor. The contractor shall conduct necessary surveys and measurements before commencing work, confirm the design documents, and consult with the supervisor regarding any doubts in the specifications and design documents before proceeding with construction. Any damages incurred due to failure to consult shall be borne entirely by the contractor. Establishment of Site Office SPECIAL SPECIFICATIONS Special Specifications Nago City This Special Specification applies to the Kubo Area Agricultural Village Drainage Pipeline Facility Construction (Part 9). APPLICATION GENERAL PROVISIONS Heading Chapter Section Article Clause 7 1 8 1 9 1 10 1 11 1 2 12 1 2 13 1 14 1 15 1 16 Regarding Yuikuru Materials 1. Recycled materials used in this work shall be limited to Yuikuru materials made from specific construction waste materials, and shall be Yuikuru materials in principle. Yuikuru materials made from other raw materials shall be proactively used. 2. The contractor shall transport construction waste generated from the work to facilities certified as Yuikuru material facilities, or to facilities that ship to Yuikuru material manufacturers as raw materials after recycling, even if not certified as Yuikuru material. Recycled Resource Utilization Plan The Recycled Resource Utilization Plan shall be in accordance with the attached Special Specifications. Disposal of Construction Waste Materials Material Paving Materials Disposal of construction waste materials shall be at a disposal site established by an industrial waste disposal operator permitted by the governor. Collection, transportation, and disposal shall be carried out in compliance with the "Waste Management and Public Cleansing Act." Recycled Graded Crushed Stone Prohibition of Unauthorized Entry into Private Land, etc. During the construction period, acts that may cause disputes, such as unauthorized entry into private land or scattering of materials and equipment, shall be strictly avoided. Entry into areas other than the construction site requires the owner's consent. Prevention of Overloading of Dump Trucks, etc. Priority Use of Prefectural Products The contractor shall strive to prioritize the use of materials produced or manufactured within the prefecture if their specifications, quality, and price are appropriate. A "Report on the Usage Status of Prefectural Construction Materials" shall be submitted as an attachment to the completion notification. Special Specifications Nago City Usage of Machinery and Materials Loadings of machinery and materials shall not exceed capacity, and dump trucks with illegal modifications shall not enter the construction site. Machinery and materials used in this work shall be described in the construction plan, and for materials, their shape, dimensions, material, strength, manufacturer, etc., shall be approved in advance. Recycled Coarse-Grained Asphalt Paving Materials Specifications Remarks Recycled Crusher Run 13mm Paving Materials Paving Materials Utilization of Recycled Materials Ryukyu Limestone Prohibition of Illegal Excavation of Ryukyu Limestone If Ryukyu Limestone (excluding Paleozoic limestone) is used as construction material, a certificate of origin (original) shall be submitted. Ryukyu Limestone refers to waste stone, riprap, crusher run, etc. The contractor shall attach a "Permit for Operation Plan of Mining Rights" to the request for approval of materials to be used. The contractor shall use recycled materials for the following materials: RC-40 Base Material, Backfill Material, Sub-base Material 20mm Recycled Dense-Graded Asphalt RM-40 Sub-base Material Recycled Dense-Graded Asphalt 20mm Heading SPECIAL AND ADDITIONAL SPECIFICATIONS Land Lease If private land needs to be leased for construction, local negotiations and compensation, etc., shall be handled at the contractor's responsibility unless otherwise instructed. Chapter Section Article Clause 17 1 2 3 (Example: 18N/mm2 → 21N/mm2) 4 18 1 19 Environmental Measures 20 1 21 1 Persons listed in either a or b below a b 2 3 Heading SPECIAL AND ADDITIONAL SPECIFICATIONS Ready-Mixed Concrete Ready-mixed concrete from a JIS-certified plant shall be used. Special Specifications Nago City The contractor shall exclusively assign a chief engineer or supervising engineer for this work. The water-cement ratio of concrete used for concrete structures shall be 55% or less for reinforced concrete and 60% or less for unreinforced concrete. If the above conditions cannot be met, the strength standard shall be increased to meet the water-cement ratio condition. Measures for improving the durability of concrete shall be in accordance with the attached special specifications. Disposal of Excess Soil The contractor shall select the disposal site for excess soil, and it must be a location where secondary disasters will not occur after thorough consideration of whether there are water sources downstream or red soil runoff into paddy fields, etc. The selection of the disposal site must be confirmed by the supervisor. Those who have passed the technical examination in one of the following categories: Class 1 or Class 2 Construction Machinery Operation Management Engineer, or Class 1 or Class 2 Civil Engineering Construction Management Engineer. Those who have passed the main examination under the Professional Engineer Act (Law No. 124 of 1957) in the engineering fields of Civil Engineering, Agriculture (limited to those with "Agricultural Civil Engineering" as the selected subject), or Forestry (limited to those with "Forest Civil Engineering" as the selected subject). If subcontracting work exceeding 50 million yen, a full-time supervising engineer shall be assigned in place of the chief engineer. The aforementioned supervising engineer must hold a "Supervising Engineer Qualification Certificate" (hereinafter referred to as "Qualification Certificate") for designated construction industries and must have completed supervising engineer training (must have a direct and continuous employment relationship). The contractor shall comply with the "Okinawa Prefectural Red Soil Runoff Prevention Ordinance," the "Water Pollution Control Act," the "Waste Management and Public Cleansing Act," and other environmental protection laws and regulations during the execution of the work. Thorough investigation and consideration of the site conditions shall be conducted before the start of work, and construction shall proceed after obtaining the supervisor's confirmation. Red Soil Runoff Prevention Measures Sufficient consideration shall be given to the prevention of red soil runoff during construction, and construction shall be carried out in accordance with the "Technical Guidelines for Red Soil Runoff Prevention Measures." When considering red soil runoff prevention, the site conditions shall be grasped before commencement, and the work types and periods requiring countermeasures shall be specifically considered, and a Red Soil Runoff Prevention Plan shall be created and submitted to the supervisor. Chief Engineer and Supervising Engineer Chapter Section Article Clause 4 5 6 7 22 1 23 24 1 ← 114cm ← 110cm → Kubo Area Agricultural Village Drainage Pipeline Facility Construction (Part 9) Reiwa XX Year XX Month Day - Reiwa XX Year XX Month Day Mayor of Nago, Takeyo Toguchi Nago City Hall, Public Works Division (Phone) 0980-52-5145 XX Construction Co., Ltd. (Phone) XXX-XXX-XXX The supervising engineer shall always carry their qualification certificate and present it upon request by the ordering party. A sign displaying the name, qualification, and registration certificate number of the supervising engineer shall be posted in a publicly visible location. ※5 Contractor ↓ ※1 Include greetings such as "Thank you for your cooperation" and "We apologize for the inconvenience" to seek understanding for the work. Installation of Construction Signage Construction System Ledger The contractor shall create a construction system ledger regardless of the subcontract amount and keep it at the construction site, and submit it to the supervisor. Heading SPECIAL AND ADDITIONAL SPECIFICATIONS Special Specifications Nago City Work Progress Report The contractor shall submit a monthly report (progress status) to the supervisor by the end of each month. During the period from the conclusion of the contract to the commencement of site work (period until the site office is established, materials are delivered, or temporary work begins), the chief engineer or supervising engineer is not required to be exclusively assigned to the construction site. The date of commencement of site work shall be determined through consultation with the supervisor after the contract is concluded. After the completion of the work and inspection (excluding delays due to the ordering party's convenience), if only administrative procedures, cleanup, etc., remain during the contract period, the chief engineer or supervising engineer is not required to be exclusively assigned to the construction site. When carrying out construction, necessary signs shall be installed, and a display board with the following content shall be installed at the beginning and end of the construction section. → ↑ We apologize for the inconvenience ※1 We are installing new sewage systems. ※2 Refer to the construction details in the attached reference materials. (To be determined by the ordering party.) ※3 The construction period and time shall be displayed as the actual planned completion date and construction time, not limited to the contract period. 140cm Reiwa 9 (2027) March 18 ※4 Work Name Contract Period Ordering Party Time Zone ○:○○ - ○:○○ 〇 〇 〇 CONSTRUCTION (Example: Time zone shall be displayed in 24-hour format.) Chapter Section Article Clause 25 1 (1) As-built drawings (Kannon-bound) A1 size ... 1 copy (2) " " " A3 reduced size ... 1 copy (3) As-built drawings A1 size ... 1 copy (4) Construction completion documents Complete set ... 1 copy (5) Construction completion documents Data set (CD or DVD) ... 1 copy (Original data) 26 1 2 General Construction Machinery [Diesel engine output 7.5 to 272kw] - Backhoe - Wheel loader (wheeled) - Bulldozer - Generator - Air compressor - Hydraulic unit (independent for foundation work) - Rollers - Rough terrain crane 27 1 28 1 The contractor shall deliver the following as completion documents. Prior approval from the supervisor is required. Mandatory Use of Emission-Controlled Construction Machinery For this work, when using the following construction machinery, emission-controlled construction machinery designated in accordance with the "Designated Standards for Emission-Controlled Construction Machinery (October 8, Reiwa 3, Construction Ministry Ordinance No. 249, last revised April 1, Reiwa 14, General Affairs Ministry Ordinance No. 225)" shall be used in principle. Registration with CORINS (Construction Project Information Service System) Special Specifications ※4 Refer to the construction type in the attached reference materials. ※5 Contact information for general passersby who might call. (Site Office, etc.) ※ Margins are 2cm, border line thickness is 1cm, and dividing line thickness is 0.5cm. ※ The "Confirmation of Registration Details" issued by the registration organization will be emailed to the supervisor upon CORINS registration. If the period between the time of change and the completion of the work is less than 10 days (excluding Saturdays, Sundays, and holidays), the registration application at the time of change may be omitted. Also, when correcting or deleting after the completion of this work, the same procedure shall be followed: email to the ordering party from CORINS, obtain prompt confirmation from the ordering party, and then apply for registration with the registration organization. Priority Utilization of Local Subcontractors The contractor shall strive to select subcontractors from companies within the city (those with their main business office in Nago City). However, if this is difficult, efforts shall be made to prioritize companies in the northern region, followed by companies within the prefecture, in lieu of city companies. Nago City Time zone shall be displayed in 24-hour format. The contractor shall, for works with a contract price of 5 million yen or more at the time of award or change, create "Request for Confirmation of Registration" based on the Construction Project Information Service System (CORINS) and submit it to the supervisor via email after obtaining the supervisor's confirmation. For awards, within 10 days after the contract (excluding Saturdays, Sundays, and holidays); for changes, within 10 days from the date of change (excluding Saturdays, Sundays, and holidays); for completion, within 10 days after completion (excluding Saturdays, Sundays, and holidays); for corrections, apply to the registration organization as appropriate. The scope of registration shall include all works with a contract price of 5 million yen or more (total contract amount for unit price contracts), and registration shall be made at the time of award, change, completion, and correction. ※ If there are any changes to the content, revise promptly. Completion Documents ※ The surface material of the signboard shall be "high-intensity reflective" or equivalent or better in principle. If not used, consult with the supervisor. ※ Colors: Greetings such as "We apologize for the inconvenience" and construction names such as "○○ Construction" shall be in white letters on a blue background. Construction content and period such as "New sewage system installation" shall be in blue letters. Other text and lines shall be black, and the background shall be white. Heading SPECIAL AND ADDITIONAL SPECIFICATIONS Chapter Section Article Clause 29 1 2 30 1 2 31 1 Complete Two-Day Weekend Holidays (Saturday/Sunday) Type I Special Specifications Nago City Heading Handling Standards for Turbid Water and Powder Generated from Asphalt Pavement Cutting Turbid water (pollution) generated shall be properly treated in accordance with the "Handling Standards for Turbid Water Generated from Asphalt Pavement Cutting (Notice) (March 28, Reiwa 24, Civil Engineering Department Notice No. 1257)." Powder generated shall be properly treated in accordance with the "Handling of Waste Generated from Asphalt Pavement Cutting (Notice) (January 4, Reiwa 25, Environmental Health Department Notice No. 751)."