Questions_Answers_12_Dec_2017.pdf

NV FLAP 100 (1) Sierra Vesta Lane Questions & Answers

12 December 2017

There are matching quantities for seeding and mulching, hydraulic method. Straw mulch is specified versus hydromulch for the mulch.

Please clarify the materials, material rates, application sequence of application of all erosion materials.

Seed - Specified Straw - Specified RECP-Netting/Blanket - Specified for slopes steeper than 3: 1

1st Pass - Hydroseeding is with seed mix specified and 400 PPA mulch.

2nd Pass - Straw @ 2 tons per acre

Please provide the rest.

1. Question: Typically, the straw is glued down with fiber mulch and tackifier, please specify?

1. Answer: Apply wood fiber or grass straw cellulose fiber hydraulic mulch. Amendment 2 removes the reference to straw mulch in the SCRs. Apply the hydraulic mulch at a rate of 1500 pounds per acre per Subsection 625.08(b).

2. Question: Do seed and straw application go underneath the netting? We have concerns working on slopes and securing netting/blanket and not destroying the straw and seed work just installed.

2. Answer: Seed is applied prior to the installation of RECP per Section 629.05. No mulch is required where RECP is placed.

3. Question: The quantity for 15705-1400 Soil Erosion, Fiber rolls appears to match the quantities needed for plan sheets for the ditches and culvert entrances. Is there additional fiber rolls needed for the slopes? If so where are they paid for?

3. Answer: See Sheet B8 and Sheets E9 through E15 for locations where the Fiber Rolls are to be installed. All fiber rolls will be paid as 15705-1400 Soil Erosion Control, Fiber Roll.

4. Question: Please provide detail for 62635-2000 Cuttings, Willow Staking.

4. Answer: See Amendment 2 for additional specifications for this item. No detail drawings will be provided beyond what is in the plan set.