Addendum 1.pdf

No. Item Quantity Unit of Measure

Unit Price or

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

Schedule A - Sanitary Sewer Pump Station &

Forcemain Improvements

1 Mobilization All Req'd Lump Sum $ $

2 Submittals (Stipulated Price) All Req'd Lump Sum 10,000.00$ 10,000.00$

3 Temporary Traffic Control a Traffic Safety and Control All Req'd Lump Sum $ $ b Temporary Rigid Signs 350 Sq. Ft. $ $ c Temporary Barricades 6 Each $ $ d Temporary Sign Supports 2 Each $ $ e Portable Changeable Message Signs 2 Each $ $ f Flagging (Stipulated Price) 1,500 Hour(s) 57.00$ 85,500.00$ g Flagger Station Lighting 300 Hour(s) $ $ h Temporary Pedestrian Work Zone Fence 200 Lin. Ft. $ $

ARTICLE 5 - BASIS OF BID

5.01 Bidder will complete the Work in accordance with the Contract Documents for the following price(s):

Unit Prices have been computed in accordance with Paragraph 11.03.B of the General Conditions.

Bidder Acknowledges that estimated quantities are not guaranteed, and are solely for the purpose of comparison of Bids, and final payment for all

Unit Price Bid Items will be based on actual quantities, determined as provided in the Contract Documents.

Hayesville PS and Water Improvements

Bid No. 212079 / Project No. 717101 00410-3 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price i Temporary Reflectorized Pedestrian Barricade 150 Lin. Ft. $ $ j Temporary Asphalt Surface (ADA Accessible) 250 Sq. Yd. $ $ k Temporary Chain Link Fence 100 Lin. Ft. $ $

4 Erosion Prevention and Sediment Control a Sediment Fence 100 Lin. Ft. $ $ b Protection of Inlets, Complete 44 Each $ $ c Biobags 8 Each $ $ d Covering of Stockpiles All Req'd Lump Sum $ $ e Tree Protection Fencing 500 Lin. Ft. $ $ f Wattles 100 Lin. Ft. $ $ g Concrete Management Facilities All Req'd Lump Sum $ $ h Erosion and Sediment Control All Req'd Lump Sum $ $

5 Foundation Stabilization (Stipulated Price) 10 Cu. Yd. 65.00$ 650.00$

6 Trench Rock Excavation (Stipulated Price) 10 Cu. Yd. 150.00$ 1,500.00$

Bid No. 212079 / Project No. 717101 00410-4 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

7 Common Trench Excavation and Granular

Backfill a Trench Excavation and Crushed Aggregate

Backfill (1"-0) Forcemain 3,132 Lin. Ft. $ $ b Trench Excavation and Crushed Aggregate

Backfill (1"-0) 12-inch Gravity Sewer 26 Lin. Ft. $ $ c Trench Excavation and Crushed Aggregate

Backfill (1"-0) 15-inch Gravity Sewer 204 Lin. Ft. $ $

8 Pump Station Site Schedule of Values (Technical

Specifications Section 01024) All Req'd Lump Sum $ $

Sanitary Sewer Forcemain

9 12-inch Ductile Iron Pipe - Class 50 with

Restrained Joints (PE wrapped) 3,132 Lin. Ft. $ $

10 Ductile Iron Fittings a 12-inch 11.25 degree (MJ) 7 Each $ $ b 12-inch 90 degree (MJ) 1 Each $ $

11 Corrosion Protection System, Complete All Req'd Lump Sum $ $

12 Tracer, Locate Wire & Tracer, Locate Boxes, Complete All Req'd Lump Sum $ $

13 Replacement of Sewer Service Laterals, Complete 15 Each $ $

Bid No. 212079 / Project No. 717101 00410-5 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

Gravity Sewer

14 Sanitary Sewer Pipe a 12-inch PVC Pipe 26 Lin. Ft. $ $ b 15-inch PVC Pipe 204 Lin. Ft. $ $

15 Manholes a 72-inch Diameter Manholes (A DWG C1.4), Complete All Req'd Lump Sum $ $ b 96-inch Diameter Manhole (B DWG C1.4), Complete All Req'd Lump Sum $ $ c 48-inch Diameter Manhole (C DWG C1.4), Complete All Req'd Lump Sum $ $ d 72-inch Diameter Manhole (D DWG C1.4), Complete All Req'd Lump Sum $ $ e 48-inch Diameter Manhole (Sta 40+20 DWG

FM1.8), Complete All Req'd Lump Sum $ $ f 48-inch Diameter Manhole (Sta 41+05.39 DWG

FM1.8), Complete All Req'd Lump Sum $ $

Surface Restoration

16 Sawed Joints, Portland Cement Concrete or

Asphalt (All Depths) 13,000 Lin. Ft. $ $

17 Temporary Asphalt Replacement (2 inches

Thick) 3,132 Lin. Ft. $ $

Bid No. 212079 / Project No. 717101 00410-6 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

18 Permanent Pavement Restoration (Detail U3027) 3,800 Sq. Ft. $ $

19 Restoration and Cleanup All Req'd Lump Sum $ $

Schedule B - Waterline Replacement

Waterline

20 Foundation Stabilization (Stipulated Price) 10 Cu. Yd. 50.00$ 500.00$

21 Trench Rock Excavation (Stipulated Price) 10 Cu. Yd. 150.00$ 1,500.00$

22 Common Trench Excavation and Granular

Backfill a Trench Excavation and Crushed Aggregate

Backfill (1"-0) Waterline 2,857 Lin. Ft. $ $

23 8-inch Ductile Iron Pipe - Class 52 with

Restrained Joints 197 Lin. Ft. $ $

24 12-inch Ductile Iron Pipe - Class 52 with

Restrained Joints 2,666 Lin. Ft. $ $

25 Ductile Iron Fittings a 8-inch Resilient Seated Gate Valve (MJ by FL) 3 Each $ $ b 8-inch Adaptor (MJ by FL) 2 Each $ $ c 8-inch by 8-inch by 6-inch Tee (FL) 1 Each $ $ d 12-inch by 8-inch Reducer (FL by MJ) 1 Each $ $ e 12-inch by 10-inch Reducer (MJ by FL) 1 Each $ $

Subtotal Schedule A

Bid No. 212079 / Project No. 717101 00410-7 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price f 12-inch Resilient Seated Gate Valve (MJ) 1 Each $ $ g 12-inch Resilient Seated Gate Valve (MJ by FL) 3 Each $ $ h 12-inch Blind Flange 1 Each $ $ i 12-inch Adaptor (MJ by FL) 4 Each $ $ j 12-inch Foster Adaptor 2 Each $ $ k 12-inch 11.25 degree (MJ) 2 Each $ $ l 12-inch 22.5 degree (MJ) 2 Each $ $ m 12-inch 45 degree (MJ) 8 Each $ $ n 12-inch by 12-inch by 4-inch Tee (MJ by MJ by

FL)

1 Each $ $ o 12-inch by 12-inch by 6-inch Tee (MJ by MJ by

FL)

6 Each $ $ p 12-inch by 12-inch by 8-inch Tee (MJ) 1 Each $ $ q 12-inch by 12-inch by 8-inch Tee (MJ by MJ by

FL)

1 Each $ $ r 12-inch by 12-inch by 8-inch Tee (FL) 2 Each $ $ s 12-inch Tee (FL) 1 Each $ $ t 12-inch Tee (MJ) 1 Each $ $

Bid No. 212079 / Project No. 717101 00410-8 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

26 Fire Hydrant Assembly 6 Each $ $

27 Fire Service (4663 Lancaster Drive NE), Complete All Req'd Lump Sum $ $

28 Fire Service (4746 Portland Road NE), Complete All Req'd Lump Sum $ $

29 Water Service (Main to Meter) a 1-inch Water Service 25 Each $ $ b 2-inch Water Service 3 Each $ $ c Domestic Water Service Sleeve (STD Plan 247) 10 Each $ $

30 Reconnect Water Service 27 Each $ $

31 Reconnect Water Service (4705 Lancaster Drive

NE), Complete All Req'd Lump Sum $ $

32 Replacement of Sewer Service Laterals, Complete 10 Each $ $

33 1-inch Chlorination Tap 3 Each $ $

34 2-inch Blow-off Assembly (STD Plan 405) 2 Each $ $

35 2-inch Blow-off Assembly (STD Plan 407) 3 Each $ $

36 6-inch Blow-off Assembly (STD Plan 406) 3 Each $ $

Bid No. 212079 / Project No. 717101 00410-9 ADD 1 Bid Form and Bid Supplements

Lump Sum Price Figures

Total Amount

Quantity x Unit Price

Surface Restoration

37 Sawed Joints, Portland Cement Concrete or

Asphalt (All depths) 12,000 Lin. Ft. $ $

38 Temporary Asphalt Replacement (2 inches

Thick) 2,857 Lin. Ft. $ $

39 Permanent Pavement Restoration (Detail U3028) 800 Sq. Yd. $ $

40 Remove and Replace Existing Curb over 12 inches of Aggregate base 100 Lin. Ft. $ $

41 Remove and Replace Sidewalk with 4 inches

PCC over 2 inches 1"-0 Aggregate Base 60 Sq. Yd. $ $

42 Remove and Replace Driveway with 6 inches

PCC over 2 inches 1"-0 Aggregate Base 30 Sq. Yd. $ $

43 Removal of Asbestos Cement Pipe 250 Lin. Ft. $ $

44 Restoration and Cleanup All Req'd Lump Sum $ $

45 Additional Financial Surety All Req'd Lump Sum $ $

46 Flowable Fill 750 Lin. Ft. $ $

TOTAL BID SCHEDULE A + SCHEDULE B

Subtotal Schedule B

Bid No. 212079 / Project No. 717101 00410-10 ADD 1 Bid Form and Bid Supplements

Hayesville Sewer PS & Water Impr Section 09900 - 4 of 8 WE 2272.3230.0 Bid No. 212079 / PN 717101 PAINTING Addendum 1 number of coats required.

PART 3: EXECUTION

3.1 SCHEDULING OF WORK

a. All above grade surfaces scheduled to be coated shall have complete coating systems applied prior to the mounting of any equipment or systems, including electrical and control panels.

b. With the exception of walls and ceilings, field painting shall not be started for any section of the work until equipment, apparatus, and pipe for that section have been erected and tested, unless otherwise permitted by the Owner’s Representative.

3.2 PRE-COAT MEETINGS

a. The Contractor shall arrange a pre-coating meeting with the Owner’s Representative or inspector prior to applying any coating systems. The foreman of the painting crew who will be the field supervisor during the paint or coating application for the work being discussed shall be in attendance at each pre-coating meeting held.

1) All prep work shall be completed prior to holding the pre-coating meeting, including removal of all formwork covering surfaces to be coated, completion of any grouting work at penetrations or joints, caulking/sealing, and all other work as required to ensure that surfaces are exposed for visual verification that they are ready for application of the specified coating(s).

2) If various surfaces are coated during different stages of the project, additional pre-coating meeting(s) shall be scheduled prior to applying the coatings, once the surfaces to be coated is completed and prepped for the specified coating system as noted above.

b. It shall be the Contractor’s responsibility to ensure that the painting foreman is familiar with the manufacturer’s recommendations for each paint/coating system and to verify compliance (including but not limited to temperature or moisture limitations, surface preparation, time between coats, etc.).

1) Any variances from specification requirements (in order to conform with the manufacturer’s recommendations) shall be noted by the painting foreman and discussed with the Owner’s Representative or inspector at this meeting.

c. The Contractor shall remain fully responsible for the satisfactory performance of all paint or coatings.

3.23.3 DELIVERY, HANDLING AND STORAGE

a. Delivery, handling and storage shall be in accordance with the requirements of Section 01350.

3.33.4 ENVIRONMENTAL REQUIREMENTS

a. Manufacturer's Recommendations: The Contractor shall comply with manufacturer's recommendations as to environmental conditions under which coating systems can be

Hayesville Sewer PS & Water Impr Section 09900 - 5 of 8 WE 2272.3230.0 applied and to all applicable OSHA requirements.

b. Interior Painting may be done only when the building has been thoroughly dried, by natural or artificial heat, and when the work area is properly heated and ventilated, clean and as nearly dust free as possible. A room temperature of at least 60° F shall be maintained during application and until coatings are dry.

c. Exterior Painting shall not be done during or immediately following rainy or frosty weather or when the temperature is below 50° F or likely to drop below freezing during drying period. The application of treatment while surfaces are exposed to hot sun, or when temperature is above 90° F, or likely to be during the drying period, shall be avoided.

d. Dust: Paint shall not be applied in areas where dust is being generated.

3.43.5 PROTECTION OF SURFACES NOT SCHEDULED TO BE PAINTED

a. During the construction period, all electrical and mechanical equipment and other equipment and apparatus shall be protected from mortar, concrete and paint drippings by means of tarpaulins, burlap, wooden housings or other protection.

b. Finished work of other trades, surfaces not being painted concurrently or not to be painted, and metal of factory equipment that will not require field painting shall be protected at all times from paint spots and damage to the finish.

3.53.6 PREPARATION OF SURFACES

a. General: All surfaces, of whatever material, which are to be painted shall be thoroughly cleaned of dirt, grease, rust scale or other injurious substance, and at the time of application of paint, shall be clean and dry.

b. Metal Surfaces:

1) All oil, grease, welding fluxes and other surface contaminants shall be removed prior to blast cleaning.

2) Surfaces which have not been shop coated shall be sandblasted or pickled prior to any prime coats. Sandblasting shall be done in accordance with SSPC Specification SP10, Near White Blast Cleaning.

3) Surfaces with defective shop primer shall have all loose material removed to the satisfaction of the Owner’s Representative and shall be spot primed.

4) Abrasions on shop coated surfaces shall be spot primed.

5) Surfaces which are to receive high heat paint shall be sandblasted to bare metal (SP10) and painted the same day; or, if recommended by the manufacturer of the approved high heat paint, the surfaces may be thoroughly cleaned to bare metal and given wash coats or a cold phosphatizing treatment as recommended by the manufacturer and as approved by the Owner’s Representative.

Hayesville Sewer PS & Water Impr Section 09900 - 6 of 8 WE 2272.3230.0

c. Concrete and Masonry Surfaces:

1) New concrete masonry surfaces shall be allowed to become completely set and hard and, immediately prior to treatment, shall be thoroughly cleaned of all dirt, grease and stains.

2) On concrete or masonry surfaces less than six months old, one coat of zinc sulfate solution shall be uniformly applied and allowed to dry before application of paint.

d. Wood Surfaces shall be sanded smooth and filled with an approved paste or liquid grain filler, and cracks and crevices shall be filled with a nonshrink, elastic composition especially prepared for this purpose. Wood surfaces to be varnished shall be rubbed smooth with pumice and oil.

e. Clean up all debris from the surface preparation operation.

3.63.7 MIXING

a. Paints shall be thoroughly mixed before using by pouring off top liquid in another container, stirring, and boxing the total contents several times. Paints shall be kept stirred while using, and shall be used without the addition of drier or thinner of any kind other than herein specified to be added by the manufacturer.

3.73.8 APPLICATION

a. Paints and coatings shall be applied by spray, brush and/or roller in strict conformance with the manufacturer's specifications. Paint may be applied by rollers when specifically recommended by the paint manufacturer.

b. Coverage shall be in conformance with the manufacturer's instructions. Any variation in the dry mil thickness of coatings shall be as called for under the Painting Schedule of this section but in no instance shall thickness of coatings be less than that recommended by the paint manufacturer.

c. On metal surfaces, each coat shall be applied at the rate specified by the manufacturer to achieve the dry film thickness specified herein. If material has thickened or must be diluted for application by spray gun, the coating shall be built up to the same film thickness achieved with undiluted material. Deficiencies in film thickness shall be corrected by the application of additional coats as required.

d. On concrete, masonry or wood, application rates will vary according to the surface texture.

However, in no case shall the specified coverage rate be exceeded. On porous surfaces, it shall be the Contractor's responsibility to achieve a protective and decorative finish either by decreasing the coverage rate or by applying additional coats.

e. Unless otherwise approved by the Owner’s Representative based on manufacturer’s recommendations (based on actual substrate temperatures or shorter time between coats required by the manufacturer), drying time between coats shall be a minimum of 24 hours.

f. Application of paint by spraying may be permitted in locations and on surfaces approved by the Owner’s Representative. The Contractor must submit for approval a written request giving the proposed locations of and the paint manufacturer's instructions for spray

Hayesville Sewer PS & Water Impr Section 09900 - 7 of 8 WE 2272.3230.0 application.

g. Paint for all metal surfaces shall be well rubbed or forced into the metal or undercoats of paint by suitable stiff, round or oval brushes, bridled if the bristles are too long or flexible.

Flat brushes, when allowed, shall not be wider than 4-inches.

3.83.9 FIELD QUALITY CONTROL

a. Thickness: The Contractor shall furnish the Owner’s Representative a suitable thickness detector of a type recommended by the paint manufacturer.

b. Undercoats shall be of approximate shade of final coat; however, each coat shall be of a slightly different tint. Each coat shall be inspected and approved before the next coat may be applied; otherwise, credit will not be given and the work shall be recoated.

3.93.10 PATCHING AND REPAIRS

a. Any field painting found to be defective shall be removed and the surfaces repainted as the Owner’s Representative may direct.

b. Before final approval of the work all damaged surfaces of paint (field or factory applied) shall be cleaned and repainted or touched up as directed.

Hayesville Sewer PS & Water Impr Section 11750 - 1 of 33 WE 2272.3230.0 Bid No. 212079 / PN 717101 SUBMERSIBLE SEWAGE PUMPS & PUMP CONTROL SYSTEM Addendum 1

SECTION 11750

SUBMERSIBLE SEWAGE PUMPS & PUMP CONTROL SYSTEM

PART 1: GENERAL

1.1 SCOPE

a. This section includes furnishing and installing pumping equipment and appurtenances within and adjacent to the wetwell, as well as associated Pump Control System components, as shown on the drawings or as specified herein.

b. Except as shown on the drawings or specified in Division 13 or Division 16, all pumps and

Pump Control System components shall be provided by the pump manufacturer as an integrated system.

c. Pump discharge piping & fittings as specified herein are not required to be provided by the pump manufacturer.

d. The pumping equipment shall be furnished with all motors, power cables, pump bases, guide bars & brackets, discharge piping, fittings, anchors, anchor bolts, anchor bolt sleeves and other appurtenances as specified or required for a complete installation and for satisfactory operation, including all pump removal components specified herein.

e. The Pump Control System referenced under this section and specified under Division 13 or

Division 16 shall include the pump control panel, the pump disconnect panel, together with primary, redundant and alarm wetwell level sensors as shown or specified, as well as all appurtenances required to connect the pump power cables to the disconnect panel.

f. In addition to the products specified herein, the pump supplier shall also furnish the following items to provide a completely integrated system.

1) Wet well hatch. See drawings and specification 11751.

2) Cable tray. See drawings and specification 11751.

3) Wet well sump insert. See drawings and specification 11751.

g. The scope of items which must be provided by the pump manufacturer under this section does NOT include the following items (although the applicable items below can be provided by the pump supplier if desired).

1) Pump Control System. See electrical drawings & Divisions 13 & 16 (this can be provided by the pump supplier or provided separately, at the Contractor’s option).

2) Motor Control Center(s). See electrical drawings & Divisions 13 & 16.

3) Disconnect Panel Stand(s). The support stand for the pump disconnect panel(s)

(this can be provided by the pump supplier or provided separately, at the Contractor’s option).

4) Power conduits, control conduits and wiring which extend outside of the building and are not provided as part of the pump supplier’s control panels (assumes control panels are provided by the pump supplier). Reference the Electrical Drawings & Specifications for work by Contractor which is not under this section.

5) Electrical receptacles, luminaires, instruments and associated conduit & wiring.

6) Flow Meter & Transmitter. Flow meter and transmitter and all associated wiring as described on the Electrical Drawings and Specifications.

Hayesville Sewer PS & Water Impr Section 11750 - 2 of 33 WE 2272.3230.0

7) Generator. Furnishing and installing one emergency generator as described on the Electrical Drawings and Specifications.

8) Generator Transfer Switch. Furnishing one Transfer Switch (ATS or MTS) as specified and described on the Electrical Drawings and Specifications.

9) Other external components or systems which communicate with or connect to the pump control components unless specifically included herein.

h. Unless otherwise noted on the drawings or in Division 13/16, the City will provide the following (Contractor shall remain fully responsible for coordinating with the City’s SCADA integrator to ensure that this can be completed without delay to the work), at the expense of the Contractor or the Developer:

1) Programming and integration of the telemetry panel PLC, radio modem, and all network hardware within the telemetry panel.

2) SCADA system programming as required.

i. A representative of the manufacturer of the pumps shall provide start-up services and training in the operation and maintenance of the equipment (ie. training of the City’s personnel).

j. All Work performed under this section shall be in accordance with all approved trade practices and manufacturers' recommendations, including provisions for insulation between dissimilar metals where applicable.

k. Provide all information required for the electrical system analysis including the coordination study and arc flash analysis required by the more stringent of the following:

1) Oregon Electrical Specialty Code.

2) National Fire Protection Association

a) 70, National Electrical Code (NEC).

b) 70E, Standard for Electrical Safety in the Workplace.

3) Occupational Safety and Health Standards (OSHA): 29 CFR, Part 1910, Subpart S, Electrical.

1.2 DEFINITIONS

a. Total Head: Total head (TDH) in feet of liquid pumped shall be the discharge head minus the suction head (or plus the suction lift) both measured at the pump flanges and corrected to pump datum as defined by Hydraulic Institute Standards, plus the difference in velocity head at the same points.

b. Pump Efficiency: Pump efficiency shall be the ratio of the useful power output at the discharge flange to the power input at the pump shaft.

c. Overall Efficiency: Overall efficiency shall be the total efficiency for motor and pump from the motor terminals to pumped liquid.

1.3 MANUFACTURER'S REPRESENTATIVE

a. The pump manufacturer shall furnish the service of a qualified representative to supervise the installation, start-up and field testing of the pump and motor. A qualified manufacturer's representative shall be one who has had at least two years of experience in the installation of the types of pumps and controls specified for this Project.

Hayesville Sewer PS & Water Impr Section 11750 - 3 of 33 WE 2272.3230.0

b. At the completion of the pump installation, the following certifications shall be submitted as a minimum and included in the front of the O&M manuals.

1) Certification letter signed by the manufacturer's representative stating the following as a minimum:

a) All required installation manuals were provided to the pump installer with the pump(s) and control panels.

b) The installation is as specified and is acceptable to the manufacturer.

c) The warranty and/or guarantee will be in full effect during the warranty period with no qualifications or reservations.

2) Certification letter signed by the pump installer stating the following as a minimum:

a) The installation and operations manuals were received with the pumps and appurtenances.

b) The installer has read the manufacturer's recommended installation procedures.

c) The pumps, equipment and appurtenances were installed in strict conformance with the specification requirements and the manufacturer's recommended installation procedures. Any variances shall be noted.

d) The bases and guide bars were leveled and plumbed as required before grouting.

e) The plumbness of the guide bars was checked after the anchor and mounting bolts were tightened and before the pumps were installed.

1.4 PUMP & CONTROL SYSTEM WARRANTY

a. The pump manufacturer shall provide a 5 year warranty for the pumps and motors (as summarized below) and a 3 year 100% (full parts & labor) warranty for the pump disconnect panels, concurrent with and in addition to the general project warranty period.

b. In addition to the general warranty required for the project, the pump manufacturer shall furnish the City with a written warranty to cover the pump(s) and motor(s) against defects in workmanship and material for a period of five (5) years or 10,000 hours of operation.

Pumps repaired under warranty will be returned to the City freight prepaid. The pump manufacturer will pay the following portion of the cost of all replacement parts and labor based on the time elapsed from shipment of the pump unit.

Months 0-18 19-39 40-60

Hours 0-3,000 3,000-6,500 6,500-10,000

Warranty 100% 50% 25%

In addition to the general pump & motor warranty, all pump motors for which VFDs are

Hayesville Sewer PS & Water Impr Section 11750 - 4 of 33 WE 2272.3230.0 provided shall include a 100% warranty (full parts & labor) against bearing damage or bearing failure due to VFD-induced shaft-to-bearing voltages and/or currents to ground via the bearings, for the life of the motor.

1.5 SUBMITTALS

a. Submittals shall be in accordance with the requirements of these Contract Documents and shall include the following,

b. Submittals for Review (Pumps).

1) Pump and piping submittals & shop drawings including:

a) Cover letter summarizing the following information as a minimum.

(1) make & model of pumps and motors.

(2) For wet-pit pumps, weight of each pump/motor unit (in pounds), excluding pump cables.

(3) For wet-pit pumps, weight of each pump/motor unit (in pounds), including pump cables.

(4) motor HP and speed.

(5) statement that pumps will meet or exceed the specified discharge/head requirements.

b) Pump performance curves and performance chart showing curves and data for flow, head, torque, current, power factor, input/output kW and efficiency for the pump motor (demonstrating that each pump will meet or exceed the specified flow at the specified duty point(s). If average pump performance curves are used, the pump supplier shall account for potential bilateral test tolerances based on the type of HI factory test method proposed for use by the manufacturer). These curves or charts shall also include data on starting and no-load characteristics.

c) Complete specifications, descriptive drawings, and literature of the pumps, pump drives, mounting systems, etc, including manufacturer’s descriptive information as required to fully describe the pumps and overall performance and to state deviations, if any, from the specified requirements.

d) Technical data on seals, including descriptive drawings and pressure ratings.

e) Stainless Steel Basket Cable Grips. Technical data and/or literature on the required basket cable grips specified to support the upper ends of the pump power & signal cables (minimum of 2 basket grips per cable required).

f) Typical installation guides and technical manuals.

g) Manufacturer's storage recommendations and recommended start-up report form.

h) Copy of proposed manufacturer’s warranty.

Hayesville Sewer PS & Water Impr Section 11750 - 5 of 33 WE 2272.3230.0

i) Pump Removal Components. Drawings and literature covering the specified pump removal system(s) to be provided by the manufacturer, including the following.

(1) Size & length of the stainless steel lifting chain sling and how it is to be connected to the pump lifting handle.

(2) Grip-eye for each size of pump, as specified.

j) FRP wetwell sump insert (if the sump is provided by the pump manufacturer), including installation instructions & procedures (see requirements on drawings & section 11751).

k) Anchor Bolts for Pump Discharge Elbow.

(1) Complete specifications, descriptive drawings, and literature for the anchor bolts recommended/required for the pumps being provided.

(2) Unless otherwise specified or shown on the drawings, epoxy anchor bolts may be proposed for wetwell pumps at the option of the Contractor & pump supplier, based on submittal of information subject to the supplier or Contractor providing calculations by an Oregon structural engineer showing that the proposed epoxy anchor bolt system is structurally equivalent to the standard manufacturer recommended J or plate anchor bolts (including bolt size, material, embedment depth, drill hole size, and type of epoxy for use).

(3) Unless otherwise specified or shown on the drawings, epoxy anchor bolts may be proposed for wetwell pumps at the option of the Contractor & pump supplier, based on submittal of information regarding threaded rod material & diameter, embedment depth, drill hole size, and type of epoxy for use.

2) Factory Pump Tests. A written quality assurance record confirming the following testing/inspections have been performed shall be provided for each pump prior to shipment from the factory.

No pump shall be shipped to the job site until the submittal information below has been approved by the Owner’s Representative.

a) Impeller, motor rating and electrical connections shall be checked for compliance with this specification.

b) Prior to submergence, each pump shall be run dry to establish correct rotation. Each pump shall be run submerged in water (6 foot minimum) for a minimum of 15 minutes.

c) Motor and cable insulation shall be tested for moisture content or insulation defects before and after the pump testing.

d) Each pump shall be hydraulically shop tested in accordance with standards of the Hydraulic Institute, demonstrating that each pump meets or exceeds specified flow at the specified duty point(s), regardless of the HI test standard used for the factory tests.

(1) Four (4) copies of certified test curves indicating head versus

Hayesville Sewer PS & Water Impr Section 11750 - 6 of 33 WE 2272.3230.0 capacity, efficiency, brake horsepower and speed shall be submitted to the Engineer for approval prior to shipping the pumps from the factory. Test data sheets shall be submitted with the test curves.

(2) Computer model printouts are not acceptable.

e) The equipment manufacturer shall also indicate separately the head, capacity horsepower demand, overall efficiency and minimum submergence required at the guarantee point(s). No point on the pump performance curve shall require more than the nameplate horsepower of the drive motor.

c. Submittals for Review (Control Panels & Pump Disconnect Panel). Before any components are fabricated, and/or integrated into assemblies or shipped to the site, furnish to the Engineer, and receive his review of four (4) copies of full details, shop drawings catalog cuts, and such other descriptive matter and documentation as may be required to fully describe the equipment and to demonstrate its conformity to these specifications. The decision of the Engineer upon the acceptability of any submittal shall be final. Catalog information shall be submitted for all equipment, regardless of whether or not it is of the same manufacturer as that listed in the specifications.

All submittals shall be complete, neat, orderly and indexed, with all options and features marked. Partial submittals will not be accepted. All components shall be referenced by the instrument name tag designations shown. If, in the opinion of the Engineer, a submittal is not clear, it will be returned to the Contractor and it shall be revised and resubmitted within 15 days.

Specifically, the Contractor shall submit the following material:

1) Component Parts List (bill of materials) for each panel, including where located, description, manufacturer & model/part number, and designation as used on the schematics.

2) Catalog information, descriptive literature, wiring diagrams, and shop drawings on all panels, enclosures, controllers, switches, breakers, relays, and all other components of the system.

3) Individual data (or specification) sheets shall be provided for all components provided under this section. The purpose of these data sheets is to supplement the generalized catalog information provided by citing all specific features for each specific component (ie., scale range, materials of construction, special options included, etc.). Each component data sheet shall bear the component name and instrument tag number designation shown in the drawings and specifications.

4) Complete dimension drawings of the Pump Control Panel and the Pump

Disconnect Panel JB2 (height, width & depth).

a) The Pump Disconnect Panel (JB2) shall be 12-inches deep, unless a deeper depth is indicated on the drawings or required to accommodate all conduits and cable penetrations shown or specified.

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4)5) Complete panel layout (interior & exterior) for Pump Control Panel and Pump Disconnect Panel (JB2), including applicable construction details.

6) Enclosure Penetration Drawings for the all Pump Control Panels and Pump

Disconnect Panels, showing the recommended location for all penetrations into the enclosure (including but not limited to conduits).

5)a) These drawings are required prior to placement of concrete slabs which encase conduits below the panels.

7) Schematic and ladder diagrams of internal control wiring of each control panel and pump disconnect panelunit, and connections and functioning of outside control devices required in the particular installation.

6)a) Complete composite diagram showing wiring of power and control, interconnections between sections, terminal markings and wire size. List the role and requirements of all I/O points.

7)1) Electrical/Controls As-Built Record Drawings. Prior to pump station startup, the contractor shall provide copies of as-built record electrical drawings and schematics for the pump control panel(s), MCC(s), disconnect panel(s), telemetry panel(s), etc.

as specified in Division 16 (including CAD drawings as required by Owner).

Reduced size copies of the as-built record schematics shall be included inside all applicable panels.

8)1) O&M Manuals - Operations and Maintenance information, including parts lists and complete manufacturer's literature for each piece of equipment, shall be submitted for all materials and equipment furnished under this and related sections, including printout of any programming and/or setpoints for controllers or other programmable equipment (after startup), including VFDs.

d. Submittals for Review (Stands for Pump Disconnect Disconnect/Junction Panel Stands).

1) Shop drawings & literature, information and materials of construction for all required disconnect/junction panel stand(s), and indication as to whether they are being provided by the pump manufacturer or by the Contractor.

1) Shop drawings & literature, information and materials of construction for all required stands to support the pump disconnect panel(s) or junction panel(s).

2) Submittals shall indicate whether the stands are being provided by the pump manufacturer or by the Contractor.

3) Submittals for the stands supporting the Pump Disconnect Panel(s) or Junction Panel(s) will not be approved prior to submittal and approval of the associated enclosures to be mounted on the stands.

e. Submittals for Review (Bypass Pumping / Sewage Diversion Plans).

1) Bypass/diversion plans, methods and list of equipment to be utilized, as well as information, drawings and descriptions which illustrate the proposed bypass/sewage diversion program in sufficient detail to assure that the work can be accomplished without sewage spills or backups, including detailed plans for pumps, pipe, connections, and ramps proposed where above-grade bypass pipes cross vehicular paths and/or pedestrian paths as applicable.

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f. Submittals for Review & Record (Pumps).

1) Electrical/Controls As-Built Record Drawings. Prior to pump station startup, the contractor shall provide copies of as-built record electrical drawings and schematics for the pump control panel(s), MCC(s), disconnect panel(s), telemetry panel(s), etc.

as specified in Division 16 (including CAD drawings as required by Owner).

Reduced size copies of the as-built record schematics shall be included inside all applicable panels.

2) O&M Manuals - Operations and Maintenance information, including parts lists and complete manufacturer's literature for each piece of equipment, shall be submitted for all materials and equipment furnished under this and related sections, including printout of any programming and/or setpoints for controllers or other programmable equipment (after startup), including VFDs.

1)3) Installation certificate and statements from the manufacturer(s) as outlined herein for inclusion in the O&M manuals.

2)4) Copies of certified test curves indicating capacity, head, efficiency, brake horsepower and speed for inclusion in the O&M manuals.

3)5) Copies of all factory test reports, including pressure tests, vibration tests, etc. as applicable for inclusion in the O&M manuals.

4)6) Copies of field pump test results shall be provided for inclusion in the O&M Manuals, including results and certification of the following.

a) Impeller, motor rating and electrical connections were checked for compliance with this and related specifications.

b) A motor and cable insulation test for moisture content or insulation defects was made.

c) Prior to submergence, each pump shall be run dry to establish correct rotation.

d) Results of a drawdown test of the wetwell with each pump operated separately.

e) After the drawdown (operational) test (4), the insulation test (2) is to be performed again.

5)7) Electronic copy of programming and/or setpoints for controllers or other programmable equipment, including VFDs, as specified in part 3 of this specification.

6)8) Complete information on all specified pump removal components, as well as certifications and/or test certificates.

a) Chain slings connected to pump handle

b) Grip-Eye

1.6 RESPONSIBILITY FOR INTEGRATED PUMP & CONTROL SYSTEM

a. The Contractor shall provide for the supply, installation certification, adjustment and startup of a complete coordinated pump and control system which shall reliably perform the specified functions, including all functions summarized in the “Process Narrative” contained

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b. The Contractor shall coordinate his work with the pump & control manufacturer to ensure that all components provided under this section are properly installed, the proper type, size and number of control wires with their conduits are provided and installed, proper electric power circuits are provided for all components and systems, and that all pump & control system components are tested, calibrated and verified to be in communication with each other as specified or shown on the drawings, prior to requesting final inspection or startup of the control system.

1.7 UNDERWRITERS LABORATORY (UL) LABELING

a. All panels provided under this section shall be UL-508A labeled by an entity that is currently registered with UL and authorized to provide such label.

b. All panels provided under this section shall be acceptable to the State of Oregon and the authority having jurisdiction.

c. All panels and components provided under this section shall conform to the more stringent of the technical specifications, or UL standard 508A. Provide documentation necessary to verify that all components, construction methods, and circuits conform to this standard.

d. Where components specified or approved are not UL listed or recognized, provide isolation transformers, GFCIs (Ground Fault Circuit Interrupters), and fuses as required by UL standard 508A.

e. Contractor shall provide additional design, components, and equipment necessary to meet the requirements of UL standard 508A.

f. Contractor shall provide submittals for additional components that are required by UL standard 508A, but not specifically listed in this section.

1.8 ELECTRICAL AND CONTROLS COORDINATION

a. If the current requirement of any motor or piece of equipment is increased to such an extent that the wiring, conduit and/or starter for that motor or equipment must be increased from that shown on the electrical drawings, the Contractor shall furnish and install the larger items. The increased wiring, conduit, and/or starter cost shall be provided at no additional cost to the City.

b. All electrical, instrumentation, and control equipment and panels furnished under this section shall conform to appropriate sections of these Specifications.

c. In addition to requirements outlined herein, all electrical motors shall conform to the requirements of the applicable sections of these Contract Documents.

PART 2: PRODUCTS

2.1 ANCHOR BOLTS FOR PUMP DISCHARGE BASES

a. All anchor bolts for pump discharge bases shall be 304 stainless steel.

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b. The diameter, length and any bend dimensions of anchors shall be as shown on the drawings or as recommended by the equipment or machinery manufacturer, whichever is more stringent. Sleeves shall be provided as required or as shown for location adjustment.

c. Unless otherwise required or shown, use 3/4 inch minimum diameter and other geometry as shown on the drawings. In no case shall anchor bolts be more than 1/8-inch smaller than the anchor bolt holes provided by the manufacturer in the equipment or machinery.

d. If drilled & epoxied anchor bolts are proposed by the Contractor or the pump supplier in place of standard cast-in-place anchor bolts, the size and embed depth of the stainless steel threaded rods shall meet or exceed the size and embed depth of the standard anchor bolts recommended/required by the manufacturer (or shown on the drawings), for the specific pumps being provided, and based on the following.

1) Epoxy adhesive for use with the 304 stainless steel threaded anchor rods shall be

Simpson SET-3G High-Strength Epoxy Adhesive.

2) The size of the hole in the concrete shall be in conformance with the manufacturer’s recommendations (typically 1/8” larger than the threaded rod diameter).

3) Installation shall fully conform with the manufacturer’s recommendations, including hole cleaning & epoxy installation.

4) Contractor shall be responsible for coordinating all inspections and special inspections required for such drilled & epoxied anchor bolts by applicable building codes.

5) Contractor shall ensure that anchor bolts are not disturbed until epoxy is fully cured (see SET-3G cure schedule, typically varies from 24 to 72 hours, depending on concrete temperature), by either do not allowing entry into the wetwell for the entire cure time, OR providing secure anchored covers over the anchor bolts to ensure that they are not accidentally disturbed.

e. If anchor bolt configurations are proposed which are different from the manufacturer’s cast-in-place recommendations, or based on the drilled & epoxied options listed above, calculations shall be provided (by a licensed structural engineer retained by the pump suppler or Contractor) showing that the proposed anchor bolt system is structurally equivalent to the standard J anchor bolts recommended/required by the manufacturer (or shown on the drawings), for the specific pumps being provided.

f. A minimum of two nuts and one washer of the same material as the bolt shall be furnished with each bolt, with both nuts being fully engaged on the anchor bolt threads.

2.2 PUMP ACCESSORIES

a. Pump Discharge Connection

1) Each pump shall be provided with a mating cast iron discharge connection by the same manufacturer as the pump, and designed to be bolted to the wetwell floor.

The pump shall be completely supported by the discharge head. No portion of the pump shall bear directly on the wet well or sump floor.

2) For wetwells where a prefabricated fiberglass bottom sump basin is specified, the discharge connection shall be specifically designed for connection to the mounting locations of the prefabricated sump basin.

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3) Vibration Dampener. A vibration dampener shall be provided for each guide rail, for installation between the pump discharge connection elbow and the guide rails.

b. Pump Lifting Handle:

1) The pump shall be provided with a stainless steel lifting handle for connection of the pump removal system, or for direct removal by a lifting hook.

c. Guide Rail System

1) Each pump to be furnished with a guide rail system consisting of a dual rail system connected to the discharge head and to an upper guide bar holder mounted to the access frame. The guide rail system shall consist of stainless steel guide bar brackets and Schedule 40 Type 304 stainless steel pipe.

2) The guide rail system shall be designed and installed to locate the pumps in the proper alignment for automatic connection of the pumps to the discharge head. All brackets, braces, guides and fittings necessary for a complete working system shall be provided and installed by the Contractor.

d. Grip-Eye Pump Removal System

1) Each pump shall be equipped with complete attachments necessary for lifting the pump and motor from the wetwell by means of the Flygt Grip Eye system. The working load of the lifting system shall be a minimum of 50% greater than the pump unit weight.

2) The pump lifting handle and all accessories shall be constructed of stainless steel.

The lifting system shall be as shown or noted on the drawings, and shall include a minimum 18-inch long stainless steel chain lifting sling, enough ¼-inch diameter woven nylon rope to reach from the installed position of the pump to an anchor point under the wet well access hatch, clevises, bolts and all other attachments necessary for a complete system.

3) Two Flygt Grip-Eye units shall be provided for each size of pump at the pump station.

2.3 PUMP DISCHARGE PIPE & FITTINGS, PIPE BRACKET ANCHORS

a. Discharge piping & fittings inside the wetwell shall be as noted on the drawings and/or as specified in Section 11752.

b. All anchors, anchor bolts, harnesses & fasteners inside the wetwell shall be 304 stainless steel.

c. Anchor bolts for pump discharge bases shall be as specified above.

2.4 SUBMERSIBLE PUMPS

a. All pumps used for one type of service shall be of the same manufacturer. The pump, mechanical seals and motor units provided shall be from the same manufacturer in order

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b. Pumps shall be submersible sewage pumps as manufactured by Xylem Flygt Corporation, or approved equal. Pump models shall be as noted on the drawings or as specified in the Pump Schedule under Part 4 of this section.

c. General Requirements

1) Pumps shall be heavy duty, electric submersible, centrifugal non-clog units designed for handling raw, unscreened sewage and wastewater and shall be fully guaranteed for this use.

2) Wet-Pit Pumps. The pump and motor unit shall be suitable for continuous operation at full nameplate load while the motor is completely submerged, partially submerged or totally non-submerged. The use of shower systems, secondary pumps or fans to cool the motor shall not be acceptable.

3) The pumps provided shall be capable of operating in an ambient liquid temperature of 104°F. Since the high temperature of 104°F is specified by the National Electrical Manufacturers Association (NEMA) and Factory Mutual (FM), motors with a maximum ambient temperature rating below 104°F shall not be acceptable. No point on the pump performance curve shall require more than the nameplate horsepower of the drive motor.

4) Each pump shall be designed with a permanently installed lifting system that allows the pump to be retrieved from the exterior of the wet well. There shall be no need for personnel to enter the wet-well for pump removal.

5) The pump(s) shall automatically and firmly connect to the discharge connection, guided by no less than two guide bars extending from the top of the station to the discharge connection. Sealing of the pump discharge to the discharge connection elbow shall be accomplished by a simple linear downward motion of the pump.

A sliding guide bracket shall be an integral part of the pump unit.

6) Sealing of the pumping unit to the discharge connection shall be accomplished by a machined metal to metal watertight contact. Sealing of the discharge interface by means of a diaphragm, O-ring or other devices will not be acceptable.

7) The pump shall be completely supported by the discharge head. No portion of the pump shall bear directly on the wet well or sump floor.

8) All mating surfaces between individual pump components shall incorporate metal-to-metal contact between machined surfaces. Critical mating surfaces where watertight sealing is required shall be machined and fitted with Nitrile or Viton rubber O-rings. Fittings will be the result of controlled compression of rubber O-rings in two planes and O-ring contact of four sides without the requirement of a specific torque limit. Rectangular cross sectioned gaskets requiring specific torque limits to achieve compression shall not be considered as adequate or equal. No secondary sealing compounds, elliptical O-rings, grease or other devices shall be used.

9) All exposed nuts or bolts shall be 304 stainless steel construction.

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d. Cooling System

1) Each unit shall be provided with an integral motor cooling system. The motor cooling jacket shall encircle the stator housing, providing for dissipation of motor heat regardless of the type of pump installation. An impeller, integral to the cooling system and driven by the pump shaft, shall provide the necessary circulation of the cooling liquid through the jacket. The cooling liquid shall pass about the stator housing in the closed loop system in turbulent flow providing for superior heat transfer. The cooling system shall have one fill port and one drain port integral to the cooling jacket. The cooling system shall provide for continuous pump operation in liquid or ambient temperatures up to 104°F (40°C).