California Department of Transportation
 

Contract 05-447814

The responses to bidder's inquiries, unless incorporated into a formal addendem to the contract, are not a part of the contract and are provided for the bidder's convenience only. In some instances, the question and answer may represent a summary of the matters discussed rather than a word-for-word recitation. The availability or use of information provided in the responses to bidder's inquiries is not to be construed in any way as a waiver of the provisions of Section 2-1.03 of the Standard Specifications or any other provision of the contract, the plans, Standard Specifications or Special Provisions, nor to excuse the contractor from full compliance with those contract requirements. Bidders are cautioned that subsequent responses or contract addenda may affect or vary a response previously given.


Q1) Assuming that irrigation facilities for recycled water are required to be identified as such (ie. purple pipe, painted valve boxes, purple identification on the sprinkler heads, etc.), how are we to bid the irrigation line items on the bid form accurately? For example, the price of purple Cls 200 for reclaimed water compared to white Cls 200 for domestic water varies anywhere from 10-20% in price. A similar cost impact is applied to the sprinkler heads when identifying them as reclaimed water. Can you please clarify?

A1) The quantitities are identified on sheets 57/81 through 59/81, IQ-1 through IQ-3. The bidder may use these quantities to formulate a method in computing a unit price.11Mar10.


Q2) There are several areas on irrigation plans that do not have shrub bubbler type symbols, (C-2), delineated where shrubs are located. These areas are not within an overhead spray / rotor/ impact area. There are some shrub bubbler heads delineated here and there but not a total coverage for all shrubs within area. (FYI: my estimated count thousands less compared to “Bid Form” quantity). Please clarify.

A2) Information regarding placement of C-2 flood bubblers is found on sheet 54/81, LD-1. Quantities are identified on sheets 57/81 and 58/81, IQ-1 and IQ-3. 24Mar10.


Q3) The “Bid Form does not specify separation of main supply line pipe from lateral supply line pipe. Please clarify and adjust “Bid Form” accordingly.

A3) Sheets 57/81 through 59/81, IQ-1 through IQ-3, identify main and lateral supply pipe. The bidder may use these quantities to formulate a method for computing a unit price. 24Mar10.


Q4) There is 3” main supply line delineated on plans. There is not a line item in the “Bid Form” for 3” main supply line. Please clarify and adjust “Bid Form” accordingly.

A4) Please refer to Addendum No. 2 dated April 20, 2010. 21Apr10.


Q5) Line item#43 specifies 11/2” plastic pipe (PR 315) (Supply Line). 11/2” PVC pipe is not available in 315. Please clarify and adjust “Bid Form” accordingly.

A5) Please refer to Addendum No. 2 dated April 20, 2010. 21Apr10.


Q6) There are several C symbols, (connect to existing system), on plans. These symbols are located @ mainline and lateral lines. There is not a line item in the “Bid Form” for mainline & lateral line POC’s. Please clarify and adjust “Bid Form” accordingly.

A6) Symbols are for information only, denoting locations of new irrigation pipe connecting to existing irigation pipe. 24Mar10.


Q7) The irrigation plan shows sprinkler protectors on some A-1 type symbol heads. A-1 is an impact head on riser. Is a sprinkler protector required for heads above ground? Please clarify.

A7) Please refer to Addendum No. 2 dated April 20, 2010. 21Apr10.


Q8) There are irrigation head type symbols, (A-1, A-5 & B-2), on plans with and without sprinkler protectors. There is not a line item in the “Bid Form” specifying heads with sprinkler protectors. Please clarify and adjust “Bid Form” accordingly.

A8) Quantities may be determined from plan sheets 33/81 through 53/81, IP-1 through IP-21. The bidder may use these quantities to formulate a method for computing a unit price. 2Apr10.


Q9) There is one 2” irrigation flow sensor located @ one of the main POC’s. There is not a line item for the flow sensor in the “Bid Form” Please clarify and adjust “Bid Form” accordingly.

A9) Refer to Special Provisions page 87, Field Units table, Field Unit "S".2Apr10.


Q10) There are two 2” irrigation master valves, (one reclaimed / one domestic), located @ the main POC’s. There is not a line item for master valves in the “Bid Form” Please clarify and adjust “Bid Form” accordingly.

A10) Refer to the Standard Specifications, Section 20-5.05, "Payment," in which the remote control valves(master) will be paid as electric remote control valves of the sizes involved.2Apr10.


Q11) The project is designed with both a reclaimed non-potable irrigation system & a domestic potable irrigation system. The “Bid Form” does not have separate line items for reclaimed and domestic PVC piping and or components such as gate valves, ball valves, RCV’s, heads, etc. The material cost varies pending a reclaimed system & a domestic system. Please clarify and adjust “Bid Form” accordingly

A11) Quantitites are identified on sheet 57/81 through 59/81, IQ-1 through IQ-3. The bidder may use these quantities to formulate a method in computing a unit price. 2Apr10.


Q12) The “Special Provisions” provide pricing for the irrigation controller assemblies. Line items #46 & #47 in the “Bid Form” specifies irrigation controller enclosures separate. The pricing provided in the “Special Provisions” is for the controller & enclosure assembled together as one. There is not a separate cost for each. Please clarify and adjust “Bid Form” accordingly

A12) Information regarding the contract unit price for Irrigation Controller Enclosure Cabinet may be found in the Special Provisions, page 89, Irrigation Controller Enclosure Cabinet. Information regarding the contract unit price for Field Units Equipment may be found in the Special Provisions, pages 86-88, Field Units and Field Units table. 2Apr10.


Q13) Please specify which type of Temporary Drainage Inlet Protection method(s) is to be used for line item #8, and the quantity for each type.

A13) Refer to the Special Provisions, page 51, Temporary Drainage Inlet Protection: "Provide temporary drainage inlet protection to meet the changing conditions around the drainage inlet. Temporary drainage inlet protection must be appropriate type to meet the conditions around the drainage inlet." Quantity is identified on Sheet 55/81, LD-2 and Bid Item #8.