Mult. Falls WWTP Upgrades SPECS.pdf

Multnomah Falls Lodge Wastewater Treatment Plant Upgrades Specifications

Columbia River Gorge National Scenic Area

MULTNOMAH FALLS LODGE WWTP UPGRADES COLUMBIA RIVER GORGE NSA

SUMMARY 011000 - 2

TABLE OF CONTENTS

SECTION 011000 - SUMMARY

SECTION 016010 – MOBILIZATION

SECTION 061000 - ROUGH CARPENTRY

SECTION 220523 - GENERAL-DUTY VALVES FOR PLUMBING PIPING

SECTION 220529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING

AND EQUIPMENT

SECTION 221116 - DOMESTIC WATER PIPING

SECTION 221313 - FACILITY SANITARY SEWERS

SECTION 221429 - SUMP PUMPS

SUMMARY 011000 - 3

SECTION 011000 - SUMMARY

1. GENERAL

1.01 PROJECT BACKGROUND

A. Multnomah Falls Lodge was constructed in 1925 and is one of the most popular tourist attractions in the Pacific Northwest with 1.2 million visitors annually. The Multnomah Falls wastewater Treatment plant was constructed in 1999. The lodge has seen increased use and the treatment plant is close to its capacity.

1.02 PROJECT LOCATION

A. The Multnomah Falls Lodge is located at 50000 Historic Columbia River Highway Bridal Veil, OR 97010. It is on the National Register of Historic Places and is located within the Columbia River Highway National Historic Landmark.

1.03 SCOPE OF WORK

A. The work involves upgrading the wastewater treatment plant to increase efficiency, including the following:

1. Modifying raw Sewage Piping

2. Reducing sludge residence time in clarifier

3. Installing baffled manhole and effluent filter

B. State Compliance Requirements:

1. U.S. Forest Service management policies require that all construction comply with state and local building codes, national standards, and federal design requirements, including standards set by the State Health Department, Water Resources, Ecology Departments, Divisions of Environmental Quality, in the State which the work is located, and USEPA.

C. The Contractor shall furnish all labor, materials, tools, equipment, transportation, and management to provide the described tasks.

D. The contractor shall obtain all necessary permits from the Oregon Department of Environmental Quality prior to commencement of work.

E. Remove waste materials from Project site and legally dispose of them in a landfill or incinerator acceptable to authorities having jurisdiction

1.04 CONTRACTOR USE OF PREMISES

A. Due to the site’s unique location, the contractor shall make efforts to minimize environmental and social impacts during construction.

B. Contractor shall coordinate with the COR to perform the work during low use periods at the lodge to minimize the impact to operations.

C. On-Site Work Hours: Limit work in the existing building to normal business working hours of 8:00 a.m. to 5:00 p.m., Monday through Friday, unless approved by the COR.

D. Confine storage of materials to areas approved by the COR E. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas

SUMMARY 011000 - 4

F. Keep Walkways, roadways, and entrances clear and available to the Government, Government employees, emergency vehicles and the public. Do not use these areas for parking or storage of materials.

G. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with COR and remove agreed-on roots and branches that interfere with construction.

H. Utilities

1. There is electricity available

2. There are sanitary services available

3. There is water available

1.05 PERIOD OF PERFORMANCE

A. The contractor shall complete the work within 60 days of the issued notice to proceed.

1.06 SUBMITTALS

A. Submit sufficient descriptive literature or manufacturer's certification to demonstrate compliance with these specifications for the following:

1. Pipes and fittings

2. Valves

3. Redwood Timbers

4. Electrical conduit

5. Electrical Wiring

6. Gauges

7. Transfer Pump

8. Flow Meter

9. Manhole

1.07 GOVERNMENT FURNISHED ITEMS

A. The Forest Service will provide electronic copies (.pdf) of the Multnomah Falls Wastewater Treatment Plant Modifications Construction Plans.

B. Cartridge Filter for effluent filtration

2. PRODUCTS (NOT USED)

3. EXECUTION (NOT USED)

END OF SECTION 011000

SUMMARY 011000 - 5

SECTION 016010 – MOBILIZATION

1. GENERAL

1.01 DESCRIPTION

A. This item is intended to compensate the Contractor for operations including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site; for payment of premiums for bonds and insurance for the project; and for any other work and operations which must be performed or costs that must be incurred incident to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

2. PRODUCTS (NOT USED)

3. EXECUTION (NOT USED)

3.01 DESCRIPTION

A. Progress payments will be made as follows:

1. (a) When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

2. (b) When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

3. (c) Upon completion of all work on the project, any unpaid amount for mobilization will be paid.

END OF SECTION 016010

ROUGH CARPENTRY 061000 - 6

SECTION 061000 - ROUGH CARPENTRY

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals: ICC-ES evaluation reports for wood-preservative treated wood.

2. PRODUCTS

2.01 WOOD PRODUCTS, GENERAL

A. Timber

1. Redwood: 4x4, construction heart

B. Fasteners

1. Bolts, Washers, Nuts: Type 304 Stainless steel, steel bolts complying with ASTM

A307, Grade A; with ASTM F594 hex nuts and lock washers

3. EXECUTION

3.01 INSTALLATION

A. Set rough carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Locate nailers, blocking, and similar supports to comply with requirements for attaching other construction.

B. Framing Standard: Comply with AF&PA's WCD 1, "Details for Conventional Wood Frame Construction," unless otherwise indicated.

C. Do not splice structural members between supports unless otherwise indicated.

D. Securely attach rough carpentry to substrates, complying with the following:

1. CABO NER-272 for power-driven fasteners.

2. Published requirements of metal framing anchor manufacturer.

END OF SECTION 061000

GENERAL-DUTY VALVES FOR PLUMBING PIPING 220523 - 7

SECTION 220523 - GENERAL-DUTY VALVES FOR PLUMBING PIPING

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals:

1. Product Data: For each type of product indicated.

2. PRODUCTS

2.01 SYSTEM DESCRIPTION

A. ASME Compliance:

1. ASME B1.20.1 for threads for threaded end valves.

2. ASME B16.1 for flanges on iron valves.

3. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria.

4. ASME B16.18 for solder-joint connections.

2.02 GENERAL-DUTY VALVES

A. Valve Sizes: Same as upstream piping unless otherwise indicated.

B. Valves in Insulated Piping: With 2-inch (50-mm) stem extensions.

C. Gate Valves: Non-rising stem

1. Standard: MSS SP-80, Type 1.

2. WOG Rating: 200 psi

3. Body Material: Bronze with integral seat and screw-in bonnet.

4. Ends: Threaded or solder joint.

5. Stem: Bronze.

6. Disc: Solid wedge; bronze.

7. Packing: Asbestos free.

8. Handwheel: Malleable iron, bronze, or aluminum.

D. Ball Valves: 2 piece, Full port

1. Standard: MSS SP-110

2. WOG Rating: 600 psi

3. Body Material: ASTM A351 Stainless Steel

4. Ends: Threaded

5. Seats: PTFE

6. Stem: 316 Stainless Steel

7. Ball: ASTM A351 Stainless Steel

E. Union Ball Valve:

1. Standard: MSS SP-122

2. Pressure Rating: 240 psi.

GENERAL-DUTY VALVES FOR PLUMBING PIPING 220523 - 8

3. Body Material: Schedule 80 PVC

4. Ends: Socket

5. Seats: HDPE

6. O-Ring: EPDM

F. Hose Bibb

1. Bronze Hose Bibb: NPS ¾, Threaded, Wheel handle

3. EXECUTION

3.01 INSTALLATION

A. Use gate and ball valves for shutoff duty; globe and ball for throttling duty.

B. Locate valves for easy access and provide separate support where necessary.

C. Install valves for each fixture and item of equipment.

D. Install three-valve bypass around each pressure-reducing valve using throttling-type valves.

E. Install valves in horizontal piping with stem at or above center of pipe.

F. Install valves in a position to allow full stem movement.

G. Install check valves for proper direction of flow in horizontal position with hinge pin level.

END OF SECTION 220523

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND

EQUIPMENT

220529 - 9

SECTION 220529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING

AND EQUIPMENT

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals:

1. Product Data: For each type of product.

2. Hangers and Supports:

a. Shop Drawings: Signed and sealed by a qualified professional engineer.

b. Welding certificates.

c. Structural Steel Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code - Steel."

d. Pipe Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

2. PRODUCTS

2.01 PERFORMANCE REQUIREMENTS

A. Structural Performance: Hangers and supports shall withstand the effects of gravity loads and stresses within limits and under conditions indicated according to

ASCE/SEI 7.

1. Design supports for multiple pipes capable of supporting combined weight of supported systems, and system contents.

2. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.

3. Design seismic-restraint hangers and supports for piping and equipment and obtain approval from authorities having jurisdiction.

2.02 HANGERS AND SUPPORTS FOR PLUMBING PIPING EQUPMENT

A. Carbon-Steel Pipe Hangers and Supports:

1. Description: MSS SP-58, Types 1 through 58, factory-fabricated components.

2. Galvanized Metallic Coatings: Pregalvanized or hot dipped.

3. Nonmetallic Coatings: Plastic coating, jacket, or liner.

4. Padded Hangers: Hanger with fiberglass or other pipe insulation pad or cushion to support bearing surface of piping.

5. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel.

B. Fastener Systems:

1. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

EQUIPMENT

220529 - 10

2. Mechanical-Expansion Anchors: Insert-wedge-type, zinc-coated steel anchors, for use in hardened portland cement concrete; with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

C. Miscellaneous Materials:

1. Structural Steel: ASTM A 36/A 36M, carbon-steel plates, shapes, and bars;

black and galvanized.

2. Grout: ASTM C 1107, factory-mixed and -packaged, dry, hydraulic-cement, nonshrink and nonmetallic grout; suitable for interior and exterior applications.

a. Properties: Nonstaining, noncorrosive, and nongaseous.

b. Design Mix: 5000-psi (34.5-MPa), 28-day compressive strength.

3. EXECUTION

3.01 GENERAL PIPING INSTALLATIONS

A. Install piping free of sags and bends.

B. Install fittings for changes in direction and branch connections.

3.02 HANGERS AND SUPPORTS

A. Comply with MSS SP-69 and MSS SP-89. Install building attachments within concrete or to structural steel.

B. Install hangers and supports to allow controlled thermal and seismic movement of piping systems.

C. Install powder-actuated fasteners and mechanical-expansion anchors in concrete after concrete is cured. Do not use in lightweight concrete or in slabs less than 4 inches (100 mm) thick.

D. Load Distribution: Install hangers and supports so piping live and dead loading and stresses from movement will not be transmitted to connected equipment.

E. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system Specification Sections, install the following types:

1. Adjustable Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or insulated stationary pipes, NPS 1/2 to NPS 30 (DN 15 to

DN 750).

2. Pipe Hangers (MSS Type 5): For suspension of pipes, NPS 1/2 to NPS 4 (DN 15 to DN 100), to allow off-center closure for hanger installation before pipe erection.

3. Adjustable Steel Band Hangers (MSS Type 7): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8 (DN 15 to DN 200).

4. Adjustable Band Hangers (MSS Type 9): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8 (DN 15 to DN 200).

5. Adjustable Swivel-Ring Band Hangers (MSS Type 10): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 2 (DN 15 to DN 50).

EQUIPMENT

220529 - 11

F. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system Specification Sections, install the following types:

1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers, NPS 3/4 to NPS 20 (DN 20 to DN 500).

2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, NPS 3/4 to NPS 20 (DN 20 to DN 500), if longer ends are required for riser clamps.

END OF SECTION 220529

EQUIPMENT

220529 - 12

SECTION 221116 - DOMESTIC WATER PIPING

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals:

1. Product Data:

a. For transition fittings and dielectric fittings.

b. For solvent cements and adhesive primers, documentation including printed statement of VOC content.

2. PRODUCTS

2.01 PIPE AND FITTINGS

A. PVC Pipe and Fittings: ASTM D 1785, Schedule 40 & Schedule 80 pipe with ASTM D 2466 and ASTM D2467, Schedule 40 & Schedule 80, socket-type fittings.

B. Galvanized-Steel Piping: ASTM A 53/A 53M, Schedule 40, galvanized-steel pipe, with ASME B16.4, galvanized, threaded fittings.

2.02 PRESSURE GAGES AND TEST PLUGS

A. Pressure Gauges: 3 ½” Diameter, ¼” NPT, 0-60 PSI, Polycarbonate Window, 316

Stainless steel Bourdon tube, 1% Accuracy.

3. EXECUTION

3.01 INSTALLATION

A. Install piping free of sags and bends.

B. Install fittings for changes in direction and branch connections.

C. Install unions at final connection to each piece of equipment.

D. Soldered Joints: Comply with procedures in ASTM B 828 unless otherwise indicated.

E. Comply with requirements in Section 220529 "Hangers and Supports for Plumbing

Piping and Equipment" for pipe hanger and support devices.

1. Install hangers for steel piping with the following maximum horizontal spacing and minimum rod diameters:

a. NPS 1-1/4 (DN 32) and Smaller: 84 inches (2100 mm) with 3/8-inch (10-

mm) rod.

b. NPS 1-1/2 (DN 40): 108 inches (2700 mm) with 3/8-inch (10-mm) rod.

c. NPS 2 (DN 50): 10 feet (3 m) with 3/8-inch (10-mm) rod.

d. NPS 2-1/2 (DN 65): 11 feet (3.4 m) with 1/2-inch (13-mm) rod.

e. Support vertical piping at each floor.

2. Install vinyl-coated hangers for PVC piping with the following maximum horizontal spacing and minimum rod diameters:

EQUIPMENT

220529 - 13

a. NPS 2 (DN 50) and Smaller: 48 inches (1200 mm) with 3/8-inch (10-mm) rod.

b. NPS 2-1/2 to NPS 3-1/2 (DN 65 to DN 90): 48 inches (1200 mm) with 1/2-inch (13-mm) rod.

c. Install supports for vertical PVC piping every 48 inches (1200 mm).

3.02 INSPECTING AND CLEANING

A. Inspect and test piping systems as follows:

1. Fill domestic water piping. Check components to determine that they are not air bound and that piping is full of water.

2. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or repaired.

3.03 VALVE SCHEDULE

A. Drawings indicate valve types to be used.

END OF SECTION 221116

FACILITY SANITARY SEWERS 221313 - 14

SECTION 221313 - FACILITY SANITARY SEWERS

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals:

1. Product Data

2. PRODUCTS

2.01 PRECAST CONCRETE MANHOLES: ASTM C 478 (ASTM C 478M), PRECAST,

REINFORCED CONCRETE, OF DEPTH INDICATED, WITH PROVISION FOR

SEALANT JOINTS.

A. Diameter: 48 inches minimum.

B. Ballast: Increase thickness of precast concrete sections or add concrete to base section, as required to prevent flotation.

C. Base Section: 6-inch minimum thickness for floor slab and 5-inch minimum thickness for walls and base riser section; with base section with integral floor.

D. Top Section: flat-slab-top type.

E. Joint Sealant: ASTM C 990 (ASTM C 990M), bitumen or butyl rubber.

F. Resilient Pipe Connectors: ASTM C 923 (ASTM C 923M), cast or fitted into manhole walls, for each pipe connection.

G. Grade Rings: Reinforced-concrete rings, 4-inch total thickness, to match diameter of manhole frame and cover.

H. Manhole Frames and Covers: Ferrous; 24-inch ID by 7- to 9-inch riser with 4-inch minimum width flange and 26-inch diameter cover. Include indented top design with lettering cast into cover, using wording equivalent to "SANITARY SEWER."

1. Material: ASTM A 536, Grade 60-40-18 ductile iron unless otherwise indicated.

I. Baffle: 6-inch weir wall, with top a minimum 2-inches above outlet invert.

3. EXECUTION

3.01 INSTALLATION

A. Install precast concrete manhole sections with sealants according to ASTM C 891.

3.02 FIELD QUALITY CONTROL

A. Clean and inspect piping and structures.

B. Test complete piping according to authorities having jurisdiction.

END OF SECTION 221313

FACILITY SANITARY SEWERS 221313 - 15

SECTION 221429 - SUMP PUMPS

1. GENERAL

1.01 SECTION REQUIREMENTS

A. Submittals:

1. Product Data: For each type of product.

a. Include rated capacities, operating characteristics, electrical characteristics, furnished specialties, accessories, and motor horsepower.

2. PRODUCTS

2.01 PERFORMANCE REQUIREMENTS

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with UL 778 for motor-operated water pumps.

2.02 SUMP PUMPS

A. Submersible Pump: ½ HP, 115 VAC, 1 Phase, Wide Angle Float Switch, 2” discharge with ¾” solids handling

3. EXECUTION

3.01 INSTALLATION

A. Install sewage pumps according to applicable requirements in HI 1.4.

B. Install pumps with access for periodic maintenance, including removal of motors, impellers, couplings, and accessories.

C. Support pumps and piping so weight of piping is not supported by pump volute.

D. Install electrical connections for power, controls, and devices.

E. Submersible Sump Pumps: Set pumps on basin, pit, or sump floor. Make connections to storm drainage piping.

F. Install swing check valve and gate or ball valve on each sump pump discharge. Include spring-loaded or weighted-lever check valves for piping NPS 2-1/2 (DN 65) and larger.

END OF SECTION 221429

I. Baffle: 6-inch weir wall, with top a minimum 2-inches above outlet invert.