Specification (2).pdf

SPECIFICATION for Limitorque QXB-2 Actuator For SEWPP

PART ONE – GENERAL

1.1 PROJECT SCOPE

1.1.1 Requirements for providing Limitorque QXB-2 Actuator for SEWPP.

1.2 GENERAL

1.2.1 The specifications herein state the minimum requirements of the City of Houston. All bids must be regular in every respect. Unauthorized conditions, limitations, or provisions shall be cause for rejection. The CITY may consider as “irregular” or “non-responsive”, any bid not prepared and submitted in accordance with the bid documents and specification, or any bid lacking sufficient technical literature to enable the City of Houston to make a reasonable determination of compliance to the specification. It shall be the bidder’s responsibility to carefully examine each item of the specification, failure to offer a completed bid or failure to respond to each section of the technical specification (exception yes or no) will cause the proposal to be rejected without review as “non-responsive”. All variances, exceptions, and/or deviations shall be fully described in the appropriate section; deceit in responding to the specification will be cause for rejection.

1.2.2 EQUIVALENT PRODUCT: Bids will be accepted for consideration on any make and model that is a city approved direct replacement as interpreted by the City of Houston. A blanket statement that equipment proposed will meet all requirements will not be sufficient to establish equivalence but will require replay an explanation at each deviation or substitution.

The Contractor is responsible for submitting revised engineering designs and drawings with the bid to make the proposed equipment compatible with the published specifications. The contractor shall also submit with the bid the list of deviations/exceptions to the published Specification if the equivalent product is offered.

1.2.3 INTERPRETATIONS: In order to be fair to all bidders, no oral interpretations will be given to any bidder as to the meaning of the specification’s documents or any part thereof. Every request for each a consideration shall be made in writing to the City of Houston. Based upon such inquiry, the City of Houston may choose to issue an Addendum in accordance with Local Public Contract Laws.

1.2.4 GENERAL SPECIFICATIONS: The limitorque QXB-2 actuators described herein shall be new, unused, and of the current year's production. The actuators shall be of the latest design, factory assembled, fully serviced, and free from defects in material and workmanship. The actuators shall be complete with all standard factory components, mounting hardware, and accessories required for installation and integration with the system.

1.2.5 Bidders must have a fully stocked parts and service facility. The City of Houston shall have the right to inspect the office and shall be the sold judge of its adequacy to fulfill this requirement.

1.2.6 Bidders, on request of the City of Houston, must be prepared to review their specifications with the

City of Houston and must, if requested. These services, if needed are considered as part of the bidder’s proposal and will be provided without cost or obligation to the City of Houston.

Docusign Envelope ID: 50AF5051-A66E-8418-8294-3FFC310B6443

PART TWO - PRODUCT

2.1 Limitorque QXB-2 Actuator

2.1.1 Manufacturer: Limitorque

2.1.2 Model: QXB-2 electric quarter-turn actuator

2.1.3 Operation: Quarter-turn, on/off service

2.1.4 Control Voltage: 24 VDC

2.1.5 Motor Supply: Single-phase, low voltage, 250 VAC maximum

2.1.6 Output Torque: 250 ft-lbs. minimum

2.1.7 Operating Time: Adjustable, 8–30 seconds

2.1.8 Contact Configuration: Four (4) Form A (R4) limit contacts

2.1.9 Remote Control: Open, stop, and close commands

2.1.10 Remote Inputs: 24 VDC compatible

2.1.11 Status Indication: Open and closed limit contacts

2.1.12 Digital Inputs: Open inhibit and close inhibit

2.1.13 Auxiliary Power: 24 VDC internal control supply

2.1.14 Bluetooth: Integrated Bluetooth interface

2.1.15 Local Interface: Infrared (IR) communication port

2.1.16 Position Feedback: Integral position sensor

2.1.17 Protection: Integral thermal motor sensor

2.1.18 Torque Monitoring: Integral torque sensor

2.1.19 Mounting Base: FA10-B4

2.1.20 Drive Configuration: FM/XP

2.1.21 Output Bore: 1-15/16-inch bore, keyed

2.1.22 Nut Adaptation: Keyed nut and adaptation

2.1.23 Wiring: Factory wired per Diagram WD-QXB-040000-01100

2.1.24 Environmental Rating: Suitable for water treatment plant service

2.1.25 Installation: Direct replacement for existing Limitorque QXB-2 actuator with no field modifications required

2.2 QUANTITIES

2.2.1 4 – Limitorque QXB-2 Actuator

2.2.2 1 – Estimated Freight

2.3 LABOR

2.3.1 The Contractor shall furnish and deliver the Limitorque QXB-2 Actuator as specified. The City of Houston

Maintenance Team shall perform the installation, startup, and commissioning of the actuator upon delivery and acceptance by the City.

PART THREE – EXECUTION

3.1 DELIVERY

3.1.1 The Limitorque QXB-2 actuators shall be delivered at COH’s Maintenance Facility located at 3100 Genoa Red

Bluff Rd, Houston, TX 77015, with sufficient capabilities of delivery vehicle to suitably off-load the units.

3.1.2 All deliveries shall be made Monday through Friday between the hours of 7:00 a.m. and 3:30 p.m. (Central

Time), excluding City-recognized holidays. Deliveries made outside of these hours will not be accepted unless prior written approval is obtained from the City.

3.1.3 The Limitorque QXB-2 actuators shall be secured to prevent any damage during travel and off-loading.

3.1.4 The delivery company must coordinate with the appropriate City of Houston Staff to ensure the Limitorque QXB-

2 actuators are offloaded in the appropriate place and manner desired by the City of Houston.

3.1.5 Final Delivery details should also be coordinated with Richard Carter (832-331-9776) and Christopher Shaw

(832-845-7052).

3.2 TOOLS AND SPARE PARTS

3.2.1 (2) Operations and Maintenance manuals.

3.3 WARRANTY

3.3.1 The Limitorque QXB-2 actuators shall be warranted against defects in materials and workmanship for a period of 18 months from shipment or 12 months from start-up, which-ever is less, and shall cover 100% of parts and labor for the unit. Should the manufacturer’s warranty exceed these requirements; the manufacturer’s warranty shall be in effect. Warranty products shall be provided without cost to the City. It shall begin within 7 days after notification of the equipment failure or faulty material and shall be completed within a reasonable time frame, but not greater than 90 days. All freight charges to and from the vendor’s repair facility shall be borne by the seller during the warranty period.