Saturday, January 31, 2015

SECTION 01500 TEMPORARY FACILITIES AND CONTROLS

This spec was part of the Des Plaines, IL River WRF project that bid Feb 26, 2015.


SECTION 01500 TEMPORARY FACILITIES AND CONTROLS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Temporary Utilities:
1. Temporary electricity.
2. Temporary lighting for construction purposes.
3. Temporary heating.
4. Temporary ventilation.
5. Telephone service.
6. Facsimile service.
7. Temporary water service.
8. Temporary sanitary facilities.

B. Construction Facilities:
1. Field offices and sheds.
2. Vehicular access.
3. Parking.
4. Progress cleaning and waste removal.
5. Project identification.
6. Traffic regulation.

C. Temporary Controls:
1. Barriers.
2. Enclosures and fencing.
3. Protection of the Work.
4. Security.
5. Water control.
6. Dust control.
7. Erosion and sediment control.
8. Pollution control.

D. Removal of utilities, facilities, and controls.

E. Temporary Bypass System.

1.2 TEMPORARY ELECTRICITY

A. Use existing power service at the existing treatment plant.

B. Owner will pay cost of electrical energy used for construction. Exercise measures to conserve energy.

C. Provide main service disconnect, over current protection, distribution and receptacles at convenient locations.
A.
D. Permanent power supply and convenience receptacles may be utilized during construction.

E. Replace any components damaged during construction.

F. Complement existing power service capacity and characteristics as required for construction operations.

G. Provide power outlets, with branch wiring and distribution boxes located as required for construction operations. Provide flexible power cords as required for portable construction tools and equipment.

1.3 TEMPORARY LIGHTING FOR CONSTRUCTION PURPOSES

A. Provide and maintain lighting for safe construction operations as required.

B. Provide branch wiring from power source to distribution boxes with lighting conductors, pigtails, and lamps for specified lighting levels.

C. Maintain lighting and provide routine repairs.

D. Permanent building lighting may be utilized during construction.

1.4 TEMPORARY HEATING

A. Existing facilities shall not be used.

B. Provide and pay for heating devices and heat as needed to maintain specified conditions for construction operations.

C. Enclose building prior to activating temporary heat in accordance with Enclosures article in this section.

D. Prior to operation of permanent equipment for temporary heating purposes, verify installation is approved for operation, equipment is lubricated and filters are in place. Provide and pay for operation, maintenance, and regular replacement of filters and worn or consumed parts.

E. Maintain minimum ambient temperature of 50 to 60 degrees F in areas where construction is in progress, unless indicated otherwise in product sections.

1.5 TEMPORARY VENTILATION

A. Ventilate enclosed areas to achieve curing of materials, to dissipate humidity, and to prevent accumulation of dust, fumes, vapors, or gases.

1.6 TELEPHONE SERVICE

A. Provide, maintain, and pay for telephone service to field office and Architect/Engineer's field office at time of project mobilization. Owner’s phone service will not be available.
A.
1.7 INTERNET / FACSIMILE SERVICE

A. Provide, maintain and pay for internet / facsimile service and dedicated telephone line to field office and Architect/Engineer's field office at time of project mobilization.

1.8 TEMPORARY WATER SERVICE

A. Provide and pay for suitable quality water service for potable uses.

B. Owner will pay cost of temporary water. Exercise measures to conserve water. Utilize Owner’s existing water system, extend and supplement with temporary devices as needed to maintain specified conditions for construction operations.

C. Extend branch piping with outlets located so water is available by hoses with threaded connections. Provide temporary pipe insulation to prevent freezing.

1.9 TEMPORARY SANITARY FACILITIES

A. Provide and maintain required facilities and enclosures. Existing facility use is not permitted. Provide facilities at time of project mobilization.

1.10 VEHICULAR ACCESS

A. Construct temporary all-weather access roads from public thoroughfares to serve construction area, of width and load bearing capacity to accommodate unimpeded traffic for construction purposes.

B. Construct temporary bridges and culverts to span low areas and allow unimpeded drainage.

C. Existing roadways within the plant must remain open at all times to allow for normal plant operations. Continuous access to existing plant buildings must be provided at all times. Notify the Owner at least 48 hours prior to taking any roadway section out of service.

D. Extend and relocate vehicular access as Work progress requires, provide detours as necessary for unimpeded traffic flow.

E. Provide unimpeded access for emergency vehicles.

F. Provide and maintain access to fire hydrants free of obstructions.

G. Provide means of removing mud from vehicle wheels before entering streets.

H. Brush roads clean as requested by Owner or Engineer, minimum weekly.

1.11 PARKING

A. Provide temporary gravel surface parking areas to accommodate construction personnel.
A.
B. Locate as indicated on Drawings or as directed by the Owner.

C. When site space is not adequate, provide additional off-site parking.

D. Use of existing on-site streets and driveways used for construction traffic is not permitted. Tracked vehicles not allowed on paved areas.

E. Use of existing parking facilities by construction personnel is not permitted.

F. Do not allow heavy vehicles or construction equipment in parking areas.

G. Do not allow vehicle parking on existing pavement.

H. Permanent Pavements and Parking Facilities:
1. Prior to Substantial Completion, bases for permanent roads and parking areas may be used for construction traffic.
2. Avoid traffic loading beyond paving design capacity. Tracked vehicles not allowed.

I. Maintenance:
1. Maintain traffic and parking areas in sound condition free of excavated material, construction equipment, products, mud, snow, and ice.
2. Maintain existing and permanent paved areas used for construction; promptly repair breaks, potholes, low areas, standing water, and other deficiencies, to maintain paving and drainage in original, or specified, condition.

J. Removal, Repair:
1. Remove temporary materials and construction at Substantial Completion.
2. Remove underground work and compacted materials to depth of 2 feet; fill and grade site as specified.
3. Repair existing facilities damaged by use, to original condition.

K. Mud from Site Vehicles: Provide means of removing mud from vehicle wheels before entering streets.

1.12 PROGRESS CLEANING AND WASTE REMOVAL

A. Maintain areas free of waste materials, debris, and rubbish. Maintain site in clean and orderly condition.

B. Maintain existing plant roadways clean of mud and debris.

C. Remove debris and rubbish from pipe chases, plenums, attics, crawl spaces, and other closed or remote spaces, prior to enclosing spaces.

D. Broom and vacuum clean interior areas prior to start of surface finishing, and continue cleaning to eliminate dust.

E. Collect and remove waste materials, debris, and rubbish from site weekly and dispose off-site.
A.
F. Open free-fall chutes are not permitted. Terminate closed chutes into appropriate containers with lids.

1.13 PROJECT IDENTIFICATION

A. No signs will be allowed without Owner permission, except those required by law.

1.14 TRAFFIC REGULATION

A. Signs, Signals, And Devices:
1. Post Mounted and Wall Mounted Traffic Control and Informational Signs: As approved by authority having jurisdiction.
2. Automatic Traffic Control Signals: As approved by local jurisdictions.
3. Traffic Cones and Drums, Flares and Lights: As approved by authority having jurisdiction.
4. Flagperson Equipment: As required by authority having jurisdiction.

B. Flag Persons: Provide trained and equipped flag persons to regulate traffic when construction operations or traffic encroach on public traffic lanes.

C. Flares and Lights: Use flares and lights during hours of low visibility to delineate traffic lanes and to guide traffic.

D. Haul Routes:
1. Consult with authority having jurisdiction, establish public thoroughfares to be used for haul routes and site access.
2. Confine construction traffic to designated haul routes.
3. Provide traffic control at critical areas of haul routes to regulate traffic, to minimize interference with public traffic.

E. Traffic Signs and Signals:
1. Provide signs at approaches to site and on site, at crossroads, detours, parking areas, and elsewhere as needed to direct construction and affected public traffic.
2. Provide, operate, and maintain traffic control signals to direct and maintain orderly flow of traffic in areas under Contractor's control, and areas affected by Contractor's operations.
3. Relocate as Work progresses, to maintain effective traffic control.

F. Removal:
1. Remove equipment and devices when no longer required.
2. Repair damage caused by installation.

1.15 BARRIERS

A. Provide barriers to prevent unauthorized entry to construction areas to allow for Owner's use of site, and to protect existing facilities and adjacent properties from damage from construction operations and demolition.

B. Provide barricades and covered walkways required by authorities having jurisdiction for public rights-of-way and for public access to existing building.
A.
C. Provide protection for plants designated to remain. Replace damaged plants.

D. Protect non-owned vehicular traffic, stored materials, site, and structures from damage.

1.16 ENCLOSURES AND FENCING

A. Construction: Contractor's option.

B. Provide 7 feet high fence around construction site; equip with vehicular and pedestrian gates with locks.

C. Exterior Enclosures:
1. Provide temporary insulated weather tight closure of exterior openings to accommodate acceptable working conditions and protection for products, to allow for temporary heating and maintenance of required ambient temperatures identified in individual specification sections, and to prevent entry of unauthorized persons. Provide access doors with self-closing hardware and locks.

1.17 SECURITY

A. Security Program:
1. Protect Work, existing premises and Owner's operations from theft, vandalism, and unauthorized entry.
2. Initiate program in coordination with Owner's existing security system at project mobilization.
3. Maintain program throughout construction period until Owner occupancy.

B. Entry Control:
1. Restrict entrance of persons and vehicles into Project site and existing facilities.
2. Allow entrance only to authorized persons with proper identification.
3. Maintain log of workers and visitors, make available to Owner on request.
4. Owner will control entrance of persons and vehicles related to Owner's operations.

1.18 WATER CONTROL

A. Grade site to drain. Maintain excavations free of water. Provide, operate, and maintain pumping equipment.

B. Protect site from puddling or running water. Provide water barriers as required to protect site from soil erosion.

1.19 DUST CONTROL

A. Execute Work by methods to minimize raising dust from construction operations.

B. Provide positive means to prevent air-borne dust from dispersing into atmosphere.
A.
1.20 EROSION AND SEDIMENT CONTROL

A. Provide erosion control measures constructed as shown on the Drawings, in accordance with the Illinois Urban manual, latest edition. Prior to commencing construction, submit an Erosion Control Plan to the Engineer. The Erosion Control Plan shall contain, as a minimum, a narrative explaining erosion control measures to be employed and a site plan indicating surface water diversion measures, location(s) of stock piled soils, stormwater flow conveyance, location(s) of erosion control measures, and placement of tracking material.

B. Plan and execute construction by methods to control surface drainage from cuts and fills, from borrow and waste disposal areas. Prevent erosion and sedimentation.

C. Minimize surface area of bare soil exposed at one time.

D. Provide temporary measures including berms, dikes, and drains, and other devices to prevent water flow. Provide temporary sedimentation basins as shown on the Drawings.

E. Construct fill and waste areas by selective placement to avoid erosive surface silts or clays.

F. Periodically inspect earthwork to detect evidence of erosion and sedimentation; promptly apply corrective measures.

1.21 POLLUTION CONTROL

A. Provide methods, means, and facilities to prevent contamination of soil, water, and atmosphere from discharge of noxious, toxic substances, and pollutants produced by construction operations.

B. Comply with pollution and environmental control requirements of authorities having jurisdiction.

C. Comply with all laws prohibiting the pollution of any lake, stream, river, or wetland by the dumping of any refuse, rubbish, dredge material, or debris therein.

D. Disposal of materials into any waters of the State is prohibited.

1.22 REMOVAL OF UTILITIES, FACILITIES, AND CONTROLS

A. Remove temporary utilities, equipment, facilities, materials, prior to Substantial Completion.

B. Remove underground installations to minimum depth of 2 feet. Grade site as indicated on Drawings.

C. Clean and repair damage caused by installation or use of temporary work.

D. Restore existing and permanent facilities used during construction to original condition. Restore permanent facilities used during construction to specified condition.
A.
1.23 TEMPORARY BYPASS SYSTEM

A. Provide all material, labor, equipment, and fuel to implement temporary pumping systems for the purpose of diverting raw influent sewage around the Influent Junction Box   (Group 93) and Sanitary Manhole 2 to permit repair work in the structures and in the influent sewers. Contractor shall be responsible for the design, installation, and operation of the temporary pumping systems.

B. The temporary bypass systems are critical to the Owner’s overall operations at the plant. Contractor shall provide adequate supervision, fuel, and materials to ensure continuous operation of the temporary bypass system. Contractor shall be liable for all damages or fines caused by the failure to maintain operation of the temporary bypass systems.

C. Submit a detailed description of the temporary bypass systems, including information of the quantity, capacity, and location of all pumping equipment, pump manufacturer’s pump performance curves, and the size, type, and routing of all suction and discharge piping.

D. Temporary bypass systems shall be installed at Sanitary Manholes 1, 2, 4, 5 and 6, as shown on contract site drawings 02-M-10 and 02-M-16. Suction piping shall be provided to the pumps from each manhole. Discharge piping shall be installed over the ground from each bypass system to the lower level of the Battery B Raw Sewage Pump Station (Group 20).


PART 2 PRODUCTS

2.1 TEMPORARY BYPASS SYSTEM

A. Temporary Bypass System Supplier:
1. Rain for Rent, Joliet, IL.
2. Griffin Dewatering, Hammond, IN.
3. Or equal.

B. The pumps and drives shall be rated for continuous duty and shall be capable of pumping the specified flow range without surging, cavitation, or vibration. The pump shall not overload the driver at any point on the pump operating curve. Rotative components shall be statically and dynamically balanced. The pump shall be suitable for use with raw, unscreened sewage and trash, and capable of passing a minimum 3-inch sphere. All pumps shall be self-contained units, suitable for temporary use, and shall be supplied with 75 dBA or less free field sound attenuation enclosures.

C. Pumps shall be fully automatic, self-priming units, and shall be diesel powered. Pumps shall be capable of running dry for extended periods of time to accommodate the cyclical nature of wastewater flows, and shall be capable of a minimum 15 foot reprime lift

D. Pump seals shall be mechanical type, with tungsten carbide or silicon carbide faces, and oil bath lubrication. Seals that use pumping media as lubrication are not acceptable.

E. The Contractor shall provide the necessary start/stop controls for each pump.
A.
F. Each temporary bypass system shall consist of a minimum of two pumps to meet the total flow capacity.

G. Design Requirements:
        Location Total Flow Capacity Sanitary Manhole 1, 2 and 5 28.1 MGD
Sanitary Manhole 4 24.1 MGD
Sanitary Manhole 6 0.91 MGD


PART 3 EXECUTION
Not Used.


END OF SECTION

No comments:

Post a Comment