Instructions GBH Greenhouse HC_01_28_25A rev .pdf

December 12, 2024

RE: REQUEST FOR GREENHOUSE STRUCTURE FOR GREENBRIER HIGH SCHOOL, REQUEST NUMBER HC-01- 28-25A.

Dear Bidder, By the present letter and attached Request, The Columbia County School District (CCSD) is requesting a proposal for greenhouse structure for Greenbrier High School.

Current schedule:

• Mandatory Pre-bid meetings start January 7, 10:00am at Greenbrier High School, 5114 Riverwood Parkway, Evans GA 30809 (meeting starts in front office of the school)

• Proposals due no-later than January 28, 2:00pm at 4781 Hereford farm Road, Evans GA 30809

The Columbia County School District will accept bids sent by email. Bidders are to consider emailed bids not received by Hudson.Chandler@CCBOE.net, until responding email accepting receipt. Email greater than 18 megabytes exceed our size limit and cannot be received. Electronic Signatures will be accepted on bids.

Payment is net 30 upon completion. Vendor is responsible for all debris removal and site preparation.

Vendors are responsible for all permitting and proper location of utilities. Vendors stating permitting and proper location of utilities not included, may be excluded from consideration. All installations are to meet or exceed county, state and federal requirements.

Details and budgets to be discussed at mandatory pre-bid meeting.

Minimum Requirements:

• Minimum Project Square Footage 1440

• Galvanized steel frame

• 11 Gauge Posts to extend into the ground and set in concrete

• Bows: 2" x 3" x 14 Gauge Rectangle - 6' Spacing

• Trusses: 2” x 2” x 14 Gauge Rectangle

• Purlins 1 3/8” Round

• Ridge: Extruded Aluminum ridge cap

• Roof Glazing: 8mm clear twin wall no drip polycarbonate panels. (10 yr. warranty)

• Eave Glazing System: Aluminum extruded

• Eave Glazing: 8mm clear twin wall no drip polycarbonate. (10 yr. warranty)

• Engineering drawings for structural design

• Engineering drawings for foundation design

Front End Gable

• Quantity two 36” exhaust fans and entry door

• Framing studs 2” x 2” x 14-gauge square

• Horizontal Purlins 2” x 2” x 14-gauge square

• Base Extrusion Aluminum

Rear End Gable

• Framed for 4’ x 15’ Evaporative Cooling system and 1 entry door

• Framing Studs: 2" x 2" x 14 gauge Square

• Horizontal Purlins 2” x 2” x 14-gauge square

• Base Extrusion Aluminum

Columbia County School District

GBH Greenhouse

HC-01-28-25A

Ventilation

• 36" Box exhaust fan 3/4hp: 11,410 cfm ea. @ .10 SP 110V or 220V. All fans are single speed & equipped with shutter and guard. Offering a minimum of 1.3 air exchanges per minute @ .10 inches of static pressure.

• 39" Motorized Shutter, located above cooling pad offers a fresh air intake at the minimum stage cooling.

Equipped with shutter motor

• Quantity one 4’ x 15’ Stainless Steel Evaporative Cooling System with trough, plate and 6" thick pad. The 6" pad material offers maximum cooling. Uses a 65 / 15 degree water/air flow with a 420 per maximum face velocity. System is self contained and does not require a reservoir tank. Includes sump pump and float valve for proper water level regulation.

• Quantity one 4’ x 15’ Automatic Wall Vent located behind the evaporative cooling system. Wall vent operates using a motorized rack & pinion drive system offering years of maintenance free operation.

Includes 24 volt motor, mounts and vent boss. Includes extruded aluminum frame and 10 yr. warranted 8mm polycarbonate covering.

Heating

• Quantity one 200,000 BTU -L. P. Modine Gas heater or equivalent. Modine Model PTP200A Heater delivers 80% thermal efficiency in a small package. Featuring a aluminized primary heat exchanger.

Totally enclosed fan motors and all controls mounted inside the cabinet for protection from airborne moisture and dust. Comes set-up for LP gas, Natural gas conversion available.

• Quantity two Horizontal Air Flow Fans (HAF) 18" - 3 bladed fans complete with guard and a split capacitor 115 volt 60 hz motor, 1.1 amps develops 1790 CFM. These fans circulate the air to maintain a consistent temperature inside the greenhouse, in addition, these fans reduce the stratification (stale air) thus reduces the risk of plant disease.

Doors

• Quantity two - 36" x 7' -0" ADA compliant single swing door with 24" x 30" Tempered Glass Light Kit.

Includes: 20 ga. Polystyrene Door leaf, 16 ga. 4-1/4" frame, bb hinges (3), threshold sweep, kerf weatherstrip, Sargent Rim Panic hardware, lever lockset and closer.

Automatic Temperature Control

• Quantity one Bartlett Instrument Company Climate Boss Controller or equivalent. Touch screen technology enables you to control either mechanically or naturally cooled greenhouses. This unit comes with pre-wired relay box for ease of installation. The Climate Boss can be programmed for 1 or 2 zones and allows for programmable temperature settings in Day, Night and DIF stages. Includes 2 cycle timers for irrigation misting, or lights: a vent stage for dehumidification: an alarm outpur for high or low temperatures for the past 7 days are available as graphs. WiFi Enabled Controller for Updates and HeadGrower app which allows remote control and programing.

Hanging Basket Rails

• Quantity one to Include: 6 runs of 1-3/8" x 17 gauge tubing running length of benches, 36’ long rail length.

Shade Cloth

• Quantity one 34’ x 47’ (1598 Square Ft.) Svensson_Harmony (or equivalent) Shade Cloth with 51% Shading factor. Grommeted and taped 2 foot on centers. The shade cloth will be applied to the roof of the finished structure and to be attached to the midpoint on side wall for easy installation and removal. The shade cloth will help reduce inside temperature and allow optimum growing for "Partial Sun" plant material. Included is 3/4" - 1 hole clamp with hardware and Lace Rope for Shade Cloth attachment.

Emergency Lighting / Exit Signs / Fire Extinguisher

• Will be located above doors and will illuminate the word "EXIT" at all times, also has emergency lights powered by a rechargeable battery. Emergency lights should come on when the power is interrupted for

HC-01-28-25A

any reason. One Multipurpose dry chemical A-B-C rated 10 lb. Fire extinguisher charged with formulated siliconized dry chemical UL rated for fighting paper, wood, fabric, grease, flammable liquid and electrical fires.

Benches

• Benches are framed with aluminum extrusions and rectangular galvanized steel tubing for superior strength. Bench mesh is 3/4" x 13 gauge galvanized expanded metal. Bench cross braces are made of 1" x 2" rectangular tubing and spaced 2 ft. apart, bench legs consist of 1" x 2" rectangular tubing.

Qty. 8 - 6' x 9' - 6" Portable Benches Qty. 2 – 3’ x 36’ Continuous Benches

Irrigation

• Mist: Complete system with brass high pressure regulator, filter, punch tool, gate valves, zone controller, and solenoids. Mist irrigation plumbed above benches with 36" long misters spaced 4' on centers and will have manual shut off. Hanging basket drippers are to be fixed flow and have the capacity to be turned off. Drippers are spaced 24" on centers and 24" long.

• Fertilizer Injector: Installed minimum of 30" ground for easy access, all irrigation outlets are serviced through fertilizer injector. Unit provides a maximum of 30 GPM of fertilizer/water solution output. Unit must be installed with bypass and gate valves for flexibility.

• Controller: Rain Bird Model ESP 4M Modular Irrigation Controller. Includes an additional 3 zone module to give a total of 7 zones. This controller allows for future expansion up to 13 zones. Has 3 independent programs to give the flexibility.

• Includes Galvanized Steel Solenoid Manifold.

Installation: (Completed by Vendor)

Completion

• Will provide all labor and materials to erect greenhouse using professional greenhouse builders.

• Upon completion of work, will test all equipment for proper operation.

• Instruct school personnel in all aspects of operation and maintenance manuals

• on covering and equipment.

Electrical

• Will furnish all labor and materials to install 4 - 115 volt receptacles, two on each end of greenhouse.

• Will furnish all labor and materials to properly wire all greenhouse equipment into 100 amp breaker box.

Single Phase 100 Amp Breaker Box Included.

• Will furnish all labor and materials to provide necessary utility vapor light lamps with guard installed 12' apart down length of greenhouse. 100 watt bulb included.

• National Electric Codes will be adhered to throughout the greenhouse.

Plumbing

• Will furnish all labor and materials to provide 6 spigots, 2 plumbed to injectors, 3 plumbed to clear water supply utilizing Schedule 40 PVC Pipe or equivalent, 1 Spigot to Be Plumbed to Evaporative Cooling System.

• Will furnish all labor and material to plumb evaporative cooling system.

Permits

• Will be acquired by vendor.

This solicitation is not intended to be nor shall it be construed as being restrictive of any offer that a Bidder may choose to make. Unless specifically stated in the specification, ALL specifications shall be understood to mean “or equal”. Where a make and model number is referenced, it shall be understood that it is provided to describe the minimum type and quality of the item being bid and is intended to be descriptive and not restrictive.

HC-01-28-25A

DAMAGE RESOLUTION

All damage to school property or vehicles, and injury to anyone on school grounds must be reported immediately to the school principal. NO EXCEPTIONS!

Damage to CCSD property (e.g., Sprinkler heads, broken or cracked windows, sports tracks, signage, fences, gates, etc.) will be repaired and paid by CCSD and then deducted from the successful bidder’s invoice amount.

An adjustment sheet will be prepared, which will detail the damages and their costs, for the successful bidder’s signature.

Damage to private property will be repaired and paid by the successful bidder. Such repair will be coordinated between the successful bidder and Principal for that school.

All bidders must submit a minimum of three references on the attached CCSD Business References Form.

References must be for projects/contracts of similar size and scope as that contemplated herein. Failure to provide adequate references may result in disqualification of your proposal.

All bidders are being provided the same time and opportunity to request any additional information or clarification concerning this bid in advance of the specified bid due date and time. Therefore, failure to seek such information or clarification prior to the bid closing shall all be deemed to have been fully asked and answered in advance of the bid closing.

If the bidder feels that insufficient details occur in any specifications, the bidder shall consult with Hudson Chandler at (706) 541-2723 ext. 5108 or by email at Hudson.Chandler@CCBOE.net in advance of specified bid closing date and time to insure timely submission of a bid. Decisions by Hudson Chandler and Principals will be final.

By submitting a proposal, the Proposer certifies that, to the best of its knowledge and belief: (1) the prices in this proposal have been arrived at independently without collusion, consultation, communication, or agreement, for the purposes of restricting competition, as to any matter relating to such prices with any other Proposer, or to any competitor or with any officers, agents or employees of the CCSD; and (2) unless otherwise required by Federal or Georgia Law, the prices which have been offered in this proposal have not been knowingly disclosed by the Proposer and will not be knowingly disclosed by the Proposer prior to opening, directly or indirectly, to any other Proposer or to any other competitor; and (3) no attempt has been made or will be made by the Proposer to induce any other person, partnership or corporation to submit or not submit a proposal for the purpose of restricting competition.

Any discussions regarding price with CCSD employees or other bidders prior to the bid opening is expressly forbidden and will result in disqualification of your bid.

REQUIRED BID DOCUMENTS

The following executed bid documents, as a minimum, shall be submitted with your bid or as otherwise specified herein. Failure to provide required bid documents may be deemed to be non-responsive and may result in disqualification of your bid.

• Pricing, detail product description and warranty information

• Business References Form (1-page)

• Delivery schedule based on DARO

• Business License (within 10-working days following award notification)

• Proof of General Liability, Workers Compensation and Automotive Insurance as required by bid (within

10-working days following award notification)

• E-verify form (within 10-working days following award notification)

• Signed general contract for services (within 10-working days following award notification)

Business References Form

Company Name: _________________________________________________________________

Authorized Signature: ____________________________________________________________

Title: _________________________________ Date: _____________________________________

Number of years Company has operated under present name:

References For Similar Goods and/or Services And Approximate Contract Size:

Company or Business Name Address Contact/Telephone Number Business email

Bid responses that are incomplete or contain less than three (3) business references may not be considered for award.

Business References Form

Company Name: _________________________________________________________________

Authorized Signature: ____________________________________________________________

Title: _________________________________ Date: _____________________________________

Number of years Company has operated under present name:

References For Similar Goods and/or Services And Approximate Contract Size:

Company or Business Name Address Contact/Telephone Number Business email

Bid responses that are incomplete or contain less than three (3) business references may not be considered for award.