ESBD_471596_1765491475867_Amendment 3- Signed.pdf
PDF 1 MB Posted
- Attached to
- Diesel Generators
- Solicitation number
- C2360-26-012
- Issued by
- Van Zandt County, Houston City, Texas
About this file
This is Amendment #3 to an Invitation for Bid (IFB C2360.26.012) issued by the Walker County Purchasing Department in Texas for the procurement and installation of diesel generators across four county locations in Huntsville, Texas. The project requires the supply and installation of generators with capacities of 500 kW at the Walker County Courthouse, 100 kW at the District Attorney's Office, 250 kW at Walker County Annex, and 60 kW at Walker County Annex III. Each installation includes concrete pad construction (minimum 6 inches thick), perimeter fencing with lockable gates, electrical and plumbing work, automatic transfer switches, annunciator panels, startup and commissioning with 4-hour load bank testing, and filling of all diesel tanks with fuel. The fuel tank sizing must support 5 days of minimum 24-hour operation at 100 percent load capacity. Bid submissions are due December 17, 2025, at 10:00 a.m. Central Time, with site visits scheduled for December 2, 2025, beginning at 9:00 a.m. The contract completion date is September 30, 2026, with no specified preference for sequential or simultaneous location completion as long as all work is finished by the deadline.
The generator specifications must operate at 277/480 volts with copper conductors, and all concrete barriers and fencing must be designed to contain runoff, prevent erosion, and maintain an aesthetically pleasing appearance. At the courthouse location specifically, an enclosed barrier with a top cover and lockable gate is required to block generator visibility from the front porch. Contractors are responsible for hauling excavated soil (approximately 600 cubic yards at the courthouse) to Road and Bridge Precinct 1 yard and providing temporary power during installation. The solicitation does not mandate specific generator manufacturers but requires evaluation against minimum specifications. Bids exceeding $250,000 require performance and payment bonds at 100 percent of contract price from a certified Texas surety company, with a 5 percent bid deposit required for bids over $25,000. The project is funded through the Hazard Mitigation Grant Program (HMGP) and is structured as a firm fixed-price agreement with no permitted change orders. Mandatory insurance requirements include workers' compensation, commercial general liability with $1,000,000 per occurrence minimum, and commercial automobile liability of $500,000 per occurrence, with a minimum one-year warranty on all materials and workmanship.
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,8a6 bids@co.walker.tx.us * (936) 436.4937 * www.co.walker.fi .us
AMENDMENT #3. 121 1OI2O25
2. Question: What Size Rebar to be in pad?
Answer: Rebar size will be dictated by #1
3. Question: ls containment Baniers Required, if so what size?
Answer: Not required
4. Question: ls lhe Generator to sit in a bowl like Concrete Pad to contain any fuel that might leak out or get spilled So as it does not seep into the ground?
Answer: Refer to Number 3
5. Question: What Size Fuel Tank is REuired?
Answer: Fuel tanks should be sized appropriately for lhe unh to run a S{ay minimum, for 24 houns before refueling at 100% load.
7. Question: We need detail for concrete Banier that is to be construcied al the Walker County Courthouse amund the Generator to prevent soil erosion.
Answer: The concrete banier at the Walker County courthouse will need to be designed to stop any runofi and erosion aound the generator. lt will need to be higher than he gDund to keep pedestrians/public from walking into the pit. The gate in front of the area willbethesame heightasthe back ofthe rehining wall. The dimensions will be dependent on the size olthe geneator.
1301 Sam Houston Avenue Suite# 235
Huntsville, TX 77340 bids@co.walker.fi.us 93643il937
WALKER COU NTY PURCHASING DEPARTMENT
IFB C2360.26.012 Diesel Generators
Clooing Date December 17, 2025 at 10:00 A.M. C.T.
Vendor Questions:
1. Question: What strength of Concrcte 2500 PSl, 3000 PSl, 4000 PSI ?
Answer: Concrete strength should be ample for weight of UE unit at each location.
6. Question: 24 HR run time on 100% load or something different?
Answer: 5 day minimum, 24 hours fuel supply at 1000/o load.
8. Question: Willherc be Concrete Pad Detail?
Answer: Concrele pads to be minimum 6 inch thick.
9. Question: At tre Courfrouse b fencing requircd on all 4 sirJes?
Answer: Fence is equircd on trree sides wifr back rebining rvall servirB as tre 4m side.
10. Question: What Type Conduibr material is required? Aluminum or Copper?
Answer: Copper
11. Question: Your head maintenance man said 277l480v is what you need.....which has a much higher peak rroltage than 360v which is what your advertisement requested. Peak voltage of 360v is most commonly associated with older systems(which yours is) at 120/208v .. . please specify 1 201208 u or 2771480v?
Answer: Generator needs to be 277l480v.
12. Question: December lTth is he submittal date... what is your expected start date and finish date?
Answer: Walker County would like lo have the awarded contftrctor start once approved by Commissione/s Court. The completion date is September 30, 2026.
13. Qu6tion: Do you want location slarted and finished before moving to tE next location, or would you like them to be done at the same time?
Answer: Walker County does not have a pefurence; however all locations will need to be completed by September 30, 2026.
14. Question: At tte courthouse location, vrould pu like a top cover that lvould block the generator trom view when standing on tn fiont porch of the courthouse? Ofren times this is done with a sla ed chain link fence?
Answer: Please see Revision to Solicitation listed below.
'15. Qu$tion: At the courthouse we will have roughly 600 cubic yards of dirt removal, do you urant that dirt or do you want me to take that dirt?
Answer: The mntractor will be responsible of hauling the dirt to Road and Bridge Precinct 1 yard located at 350 A SH 75 N, Huntsville, Tx 77320, where it will be stock piled.
16. Question: What is your budget for this proiect? This doesn't impact my bid, but if I can save you some morny you could requesl an addendum b your grant money to include new breakers and cabineb for the courthouse location?
Answer: This is not readily amilable.
17. Question: Do you want my bid to include flling all diesel tanks with diesel fuel?
Answer: Yes.
18. Quection: You requested remote annunciators for each location, uould you be open to 'remote monitoring system' which has similar cosl wih ability thru sofrvale to monitor all locations fiom any smart phone, iPad, orcompubr 241l... annunciators have been replaced with tris technology for $e most part?
Answer: Walker Counly is not opposed, ho$rever, will consider all offes.
19. Question: For the 500 kW and the 250 kW tre dmls for genenalor ae appmximately 4' off of the ground, do you want stairs with oubide railings to be fabricated for them?
Answer: No stairs are needed.
1301 Sam Houston Avenue Suite# 235 Hunbville, TX 77340 bids@co.walker.U.us 9364364937
20. Question: For all 4 locatjons do you want start up and commissioning done including 4-ipur load banks... this will allow your wananties hru Cummins to be put in place?
Ansrer: Yes.
21. Quetion: Who or where would lfndoutif Walker County will accept HiPoucr Generato/s as an approved manufacturef Answer: Walker County will review all submissions and evaluate to rnake sure minimum specifcations are met. The solicihtion (lFB) does not specify a brand.
Revision to Solicitation
1. Amendment to Seclion B: Scope of Work: Location 1: Walker County Courthouse, third paragnph to read:
lnstallation shall also include all labor, plumbing, electrical, materials, equipment, an aesthetically pleasing banier (fence) type of enclosure to include a top cover and a gate wih ability to lock. See Attachment F for Example Pictures of Potential Baniers.
Contractor to pmvide construction plans including all measuremenb and materials used in submittal requirements.
See picfure below of example of a top cove[
1301 Sam Houston Avenrc Suite# 235 Hunbville, TX 77340 bids@co.walker.U.us 93il364937 t
2. Revise Attachment D: Pricing Schedule. Location# l. Walker County Courthouse by adding language to "Fencing" line item.
Aly-
500 kW Diesel Generator
Concrcte Pad
Consete Banier
Automatic Transfer Switch
Annunciator Panel
Electdcal
Plumbing
Fencing(to include top over and locking gate)
Labor
Crane & Rigging Services lrnpprcauel
Temprary Power Supply ltrnppicaotel
ADDITIONAL FEES: Any additional feesicharges included over and above listed items/quantities must be clearly noted Any feesicharges not clearly defined on each invoice may be subject to delayed payment. Name all applicable additional fees/charges below. Attach additional pages if necessary.
Sig re
Cheryl Cowart, CTCD, CTCIrl Walker County Purchasing Agent ct€Y/i b
1301 Sam Houston Avenue Suite# 235 Hunbville, TX 77340 bids@co.walker.h.us 936436-4937
Unit Price Extension Price
Date
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