Q_and_A.Part_2.GS11P17MKC0016.5252017.pdf

GSA RESPONSES TO CONTRACTORS’ QUESTIONS (Q and A - PART 2)

SOLICITATION # GS-11P-17-MK-C-0016

May 25, 2017

# Offeror Question Government Response

82 Will you provide the sign in log from the site visit on 4/24/17? Duplicate of Question 72

83 The structural notes under column shortening indicate the requirement to construct tapestry columns longer than the final lengths shown in the construction documents. What length are the columns required to be?

Duplicate of Question 73

84 Option 1, item D indicates Site Clearing is in Option 1 Base

Construction, but Option 2 includes Site Demolition. Please clarify what "site clearing" will include so that the scope can be separated correctly

Duplicate of 74

85 With the recent Presidential Executive Order regarding buying

American Products for Federal work, will this affect the current selection of Foreign Stone?

Duplicate of 75

86 Are the Bas Relief stone wall panels being supplied by the owner for install only or is this all to be figured as supply and install by the installer?

Duplicate of 76

87 Detail 12/ A8-4-2 is a schematic drawing of the typical anchorage for the veneer on the columns. There is a note that states this is only diagrammatic and final design is by contractor. The anchorage shown looks like an established anchorage system that has been used before. Is there any way to get a manufacturers name for this system so that we can explore the possibility of using this type of system or something similar to it for our pricing?

Duplicate of 77

88 The notes indicate the Contractor is responsible for the design of the cladding systems, including their structural integrity, waterproofing systems, and connection to the primary structure.

Will this design be required during the initial design review phase?

Duplicate of 78

89 Would it be possible to extend the RFI deadline to May 16, Duplicate of 79

90 Would it be possible to schedule another site visit for the LBJ

Electrical and Mechanical Rooms?

Duplicate of 80

May 25, 2017

91 The first sentence of the Past Performance requirement states

"For each of the four (4) 'similarly complex' projects identified by the Offeror under Factor A" however under Factor A, Submittal Required by Offeror the Solicitation speaks of a minimum of one, but no more than two CMc projects and a minimum of three, but no more than four Memorial projects (6 projects possible). Please confirm the maximum allowed number of projects for this Solicitation.

This was fixed with Amendment #2 issued on 5/16/17

92 Please confirm if proof of bonding capacity is required for the actual Proposal, if any?

You are required to submit a bid guarantee or bid bond with the offer price.

93 The provided Word Document titled

"Past_Performance_Questionnaire" has a paragraph on the first page which instructs the Project client to complete the questionnaire and submit it directly back to the Offeror. In addition, the paragraph and Document footer list PBS as the agent of the PPQ. Please confirm that we can remove this paragraph and the footer and instruct our clients to submit solely to the GSA Points of Contact, as required in the RFP. If the provided Document is erroneous, please issue the correct

PPQ Form.

Follow the instructions laid out in the RFP.

Please confirm if one project can count as both Similar CMc experience and Similar Memorial Construction Experience?

Yes. Please review the Solicitation in Amendment #2 issued on

5/16/17

95 The temporary stairs (Drawing G2-1.2-NDC07001) call out metal pan with concrete treads in detail 8, in detail 9 the treads are called out as diamond plate. The picket size is also different on the two details. Which is correct?

See Note 1 and 3 on G2-1.2 which indicates the temporary courtyard stair shall be designed and engineered by contractor's professional engineer. Detail 6/G2-1.2 indicates steel plate tread over 1-1/2" deck at landings. Detail 8/G2-1.2 shows metal pan with concrete treads.

The design team has no preference on what materials are used for the treads and railings for this temporary stair as long as they comply with the slip resistance and all other requirements of NFPA 101 and accessibility requirements.

96 Can the bronze panel on sign S2 can be separated into 3 separate bronze panels for ease of production?

No the bronze S2 panel design is a single panel.

May 25, 2017

97 The work restrictions indicate that Promenade work including concrete demolition, core drilling, hammer drilling concrete must all be performed during Government Unoccupied Hours.

Please clarify if excavation and auger cast pile operations are exempt from this requirement.

See Division 1 specifications for descriptions of work restrictions. All local regulations apply. The Sunken Courtyard is part of the

Promenade work.

98 Please clarify if Fee should include PM costs or if it should only include Overhead and Profit.

Per the Agreement, the Fee is a fixed amount for all indirect costs, including General Conditions and Profit.

The paragraph states "If the proposed final ECW is less than the target ECW, the GMP shall be reduced accordingly." What will occur if the final ECW is greater than the target ECW?

If the final ECW is greater than the ECW original and the scope of the

GMP has not changed, the amount of potential shared savings decreases. The GMP is fixed unless there is a change under the terms and conditions of the contract.

100 Previous emails have been sent with an RFI log as an attachment. They have been immediately returned as undeliverable. Is there an FTP site or other means of submitting the final proposal?

GSA can receive emails up to 25MB. For emails or files larger than

25MB, it is recommended to use winzip to compress files or send multiple emails. Please mark multiple email messages; for example (1 of 3) in the subject line.

101 Please define activities that are expected to occur during the

360 days between substantial completion and contract completion

A revised Section 017700 - Closeout Procedures is attached.

102 Have the trees to be transplanted already been identified and tagged?

No. The trees will be tagged during the CMc Design Phase.

103 Due to the construction market being fairly busy, many of our subcontractors are just beginning to look at the drawings for this project. Would it be possible to extend the final proposal deadline to June 9, 2017?

See answer to Question 81

Is the excavated soil on site suitable for reuse on the project?

See answer to Question 34

105 Please provide specification section 072726 Fluid-Applied

Membrane Air Barrier

Duplicate of Question 10

106 Please confirm the existing to remain MEP/FP systems in the

LBJ building do not have to be included in the coordinated drawings in accordance with specification section 01 31 00 -

1.3.

Duplicate of Question 11

May 25, 2017

The drain schedule on M2-1.0-NDC07001 lists TD-1; however, TD-2 appears on M2-2.0-NDC07001. Please schedule an item for TD-2 on M2- 1.0-NDC07001. Specification section 04 42 00 -

1.2 - A - 9 also references TD-1. Specification section 22 14 23 -

1.2 - A - 4 references TD-1, -2, and -3. Only TD-1 is listed in specification section 22 14 23 - 2.1

Duplicate of Question 12

108 The following drawings that were issued in the bid set have

"VOID" written accross them: G1-1.1, G1-1.2, G1-1.5, G1-1.6, G1-1.7, G1-1.10, G1-1.11, G1-1.12. Please confirm that these drawings do not contain any usable information for the bid and are, in fact, void.

Duplicate of Question 13

109 Spec section 22 34 00 - 3.1 - D references section 22 05 48;

however, spec section 22 05 48 does not exist. Please provide spec section 22 05 48.

Duplicate of Question 14

110 The structural design data on S0-1.6-NDC07001 states this is a seismic design category B; however, spec section 22 and 23 reference seismic restraints. Please confirm no seismic restraints are needed since it is category B.

Duplicate of Question 15

111 Please confirm no heat trace is required for division 21, 22, or

23.

Duplicate of Question 16

112 Spec section 21 13 13 - 1.5 - B calls for a PE to design and analyze the sprinkler system; however, DC does not recognize the PE seal. Please confirm a NICET Technician Engineer IV is an acceptable alternative

Duplicate of Question 17

113 Confirm that the stone for the bas relief carving is to be furnished by the stone subcontractor. Section 012100-3.3.F, Allowance No 4 states that the raw stone for this work is included in the allowance

Duplicate of Question 18

114 Confirm that the allowances for the stone artists includes travel costs to the fabricator's shop to review dry lay-ups and to perform work.

Duplicate of Question 19

115 Section 012600 calls for 5 Options where Option 1 is the Base

Construction Contract while the Bid Form lists 4 Options and the Base Construction Contract is not listed as an option.

Please correct

Duplicate of Question 20

May 25, 2017

116 Section 044200-2.1.B.2 mentions that some existing attic stock may be available for use for Stone Type SC-6. Please provide the quantity and sizes

Duplicate of Question 21

Spec section 28 05 13-2, 1.6 states that the testing agency's field supervisor must be certified by BICSI as an RCDD to supervise on-site testing. Please clarify whether we do or do not need a BICSI RDCC certified on-site technician

Duplicate of Question 22

Spec section 28 16 00-1.8 lists UL2050 as an installer qualification. Please clarify what “Comply with UL2050” means.

Duplicate of Question 23

119 Spec section 28 23 00-1.6 lists NICET and DCJS certifications/licenses as qualification data. Please clarify why

NICET certs/licenses are requested for CCTV.

Duplicate of Question 24

120 Per spec section 29 23 00-1.6, please clarify if we do or do not need RCDD to stamp as-built drawings.

Duplicate of Question 25

121 Will the bas-relief carving be performed at the stone fabricator's shop or the artist's shop?

Duplicate of Question 26

122 Will the CNC cut letters TXT-2 and TXT-3 be performed at the stone fabricator's shop or the CNC fabricator's shop?

Duplicate of Question 27

123 Please provide section cuts and material details for the cistern

(84") shown on sheet C1-1.1.

Duplicate of Question 28

124 Notes on A0-1.8 indicate that the contractor is to design structural support for the tapestry mockup. Please provide an engineered support design for this item

Duplicate of Question 29

125 Please provide structural design for the new LBJ flagpole foundation shown on detail 14/A8-6.8

Duplicate of Question 30

126 Notes 1 & 2 on 18/S8-1.2 indicate that there is some concrete repair scope shown on the drawings. Please provide a scope with locations and quantities of work

Duplicate of Question 31

127 Please confirm that there are no waterproofing repairs required at the Roof plaza slab per DA2-1.1

Duplicate of Question 32

128 The note on 6/A8-1.7 indicated to replace waterproofing if disturbed. Should all waterproofing be replaced?

Duplicate of Question 33

129 Please provide a hazmat report indicating type and quantity of each hazmat material to be removed.

Duplicate of Question 34

May 25, 2017

Please confirm that the Milford Bell will be removed, stored, and reinstalled by the contractor but no refurbishment is required.

Duplicate of Question 35

Note 2 on sheet DC1-4.3 indicates the waterline to be removed in the triangle formed by Maryland Ave, Independence Ave, and

6th St. What size is this line? Is the tee to be cut out, or plugged, at the existing main? What size is the existing main in

6th St.? Does this line tie in to anything in Maryland Ave?

Duplicate of Question 36

132 Note 2 in the middle of Maryland Ave shows removal of a 6” waterline, but does not show where this line comes from, or goes. Is this line to be cut, capped, and blocked at both ends?

Please Clarify.

Duplicate of Question 37

133 Note 3 calls out removal of the 4-stem valve at the intersection of Maryland Ave and 6th St. Will we be required to install a new cross and 4 new valves in this location? If so, will the new cross need to be restrained and/or blocked on the east side, where the existing line is to be removed? Will you provide a design for the blocking?

Duplicate of Question 38

134 DC1-1.3 calls out a temporary water valve on the 8” line in

Maryland Ave near 4th St. This valve will probably need to be restrained. Will you provide blocking details?

Dupicate of Question 39

135 Note 3 on sheet C1-1.1 calls out a new 10” water service running to the Eisenhower Building, but plan sheet DC1-1.3 shows the existing pipes to be 8”. Is this correct? Will the new service incorporate a 10”x8” reducer between the cross and the meter vault? Please clarify.

Duplicate of Question 40

136 Enlarged Utility Plan 1 (Sheet C1-1.2) shows the new water service (10”?) tying into the “Existing 4-stem Valve”. This valve is to be removed in the demo plan. It does not show it being replaced. Please clarify

Duplicate of Question 41

137 Note 2 on sheet C1-4.1 calls out “Existing Fire Hydrant to

Remain”. This conflicts with Sheet C1-1.1 Composite Utility

Plan Note 17, which calls out to “Replace Existing Hydrant with

New Hydrant”. Please Clarify.

Duplicate of Question 42

138 Note 3 on sheet C1-4.1 refers to “WMH-2”, but none are indicated on the plan. Please clarify

Duplicate of Question 43

May 25, 2017

139 Note 5 on sheet C1-4.1 refers to the 3” Life Safety Line and

Valve going to the Information Building, but No Valve is shown on the plan. Please Clarify.

Duplicate of Question 44

140 Profiles W-1, W-2, and W-3 on sheet C1-4.4 all indicate tying into the existing water main with 12” Tapping Sleeves and

Valves. It is our experience that DC Water will not allow

Tapping Sleeves and Valves installed on their system, but rather will require a cut-in Tee using sleeves and a solid pipe.

Please Clarify

Duplicate of Question 45

141 Profile W-4 on sheet C1-4.4 shows the 10” pipe tying into the existing system at sta. 0+00 with a Tapping Sleeve and Valve.

This is in conflict with several other plan sheets which call out tying in to the existing 4- stem valve, which is called out to be removed in the demo plan. Please clarify

Duplicate of Question 46

Profile W-5 on sheet C1-4.4 indicates tying into an existing 9”

Waterline with a Tapping Sleeve and Valve. 9” pipe will be a special order. The same profile shows connecting to the existing 9” water with an 8”x6” Fire Hydrant Tee. Please clarify

Duplicate of Question 47

Note 10 on S303.2 states to re-route sprinkler branches and heads to below the temporary framing. How many sprinkler heads will need to be relocated? How much of a drop will the sprinkler branches need to be relocated? How many temporary walls will be installed creating separate occupancy areas? Will sprinkler coverage be required above the temporary frame?

Duplicate of Question 48

144 The material ID legend on drawing A0-1.6 calls out GL-4. This glass does not appear anywhere else in the drawings. Please provide locations for GL-4.

Duplicate of Question 49

Sprinkler Note G on S003.2 states sprinkler heads to match existing. What type of sprinkler heads currently exist?

Duplicate of Question 50

General note on M701.2, M702.2, M703.2 states to reinsulate all existing pipe fittings. Please clarify if this is to be included in our scope of work or if this has previously been completed.

Duplicate of Question 51

May 25, 2017

147 On M701.2, Column 13 and F calls for a duct to be terminated.

Please clarify if this is to be included in our scope of work or if this has previously been completed.

Duplicate of Question 52

148 On M701.2, Note located between column lines 17 and 18 on G states for the plenum to connect to existing louver. Please clarify if this work is part of our scope or if it has been previously performed.

Duplicate of Question 53

149 On M701.2, There is a note about terminating a 36 x 30 duct on column line G between 16 and 16. Please clarify if this work has previously been performed or if this is to be included in our scope of work.

Duplicate of Question 54

On M701.2, Column lines 17 and G call for a new automatic damper interlock with EF-19. Please clarify if this has been performed or if this is to be part of our scope of work.

Duplicate of Question 55

151 On M701.2 near column lines 17 and G, there is a note to provide filter racks. Please clarify if this has already been completed or if this is to be included in our scope of work.

Duplicate of Question 56

On M701.2 near column lines 16 and F, there is a note to prive new 2" throwaway filters. Was this completed when the space was built or is this to be included in this scope of work?

Duplicate of Question 57

On M701.2 near column lines 15 and E, there is a note about running a new 1-1/2" pipe to a drinking water fountain. Please clarify if this is work which has already been completed or if this is work to be included in our scope of work

Duplicate of Question 58

154 Details 4 and 8 on sheet A8-6.5 show a sign foundation. Please provide structural details for the sign foundation

Duplicate of Question 59

155 Please provide the extent of work to "patch and repair existing columns as necessary" as shown in S2-1.6.

Duplicate of Question 60

156 On M701.2 column 13 between C and D there is a note about a

6" cap for future use. Please clarify if this has already been capped or if this is something we are to cap in our scope of work.

Duplicate of Question 62

May 25, 2017

157 Detail 4/A4-3.6 is a section of promenade planter 1. It references detail 7/A8-2.6 where the vault intersects the pavers above. Detail 7/A8-2.6 is shown as "NOT USED". Please provide this detail.

Duplicate of Question 63

158 There are no wage rates listed for “landscape and irrigation laborer” or “landscape operator” in General Decision

#DC1700002 dated 1/13/2017 that was provided with the bid documents. Please advise what wage should be used for landscape related work on this project.

Duplicate of Question 64

159 On M702.2 on column line G, there are two notes about terminating ducts. Please clarify if these ducts have been terminated already or if they are to be terminated in this scope of work.

Duplicate of Question 65

160 Please clarify that the notes about providing throwaway filters on drawing M702.2 are to be included in this scope of work or if they were included when this work was installed

Duplicate of Question 66

161 Please provide plumbing drawings for the LBJ slab and column repairs as specification section 01 01 00 - 1.2 - F - 1 - i refers to removing existing drains and installing new drains, pipes, and connections to existing pipes

Duplicate of Question 67

162 Please provide division 23 specifications for the LBJ slab and column repair sets

Duplicate of Question 68

163 Spec section 26 05 43-3.1 indicates that ducts for electrical feeders 600V and less are to be Sch. 40 PVC concrete encased. Please clarify whether site lighting must be fed through Sch. 40 PVC concrete encased duct bank or if direct burial Sch. 40 / Sch. 80 PVC is acceptable.

Duplicate of Question 69

164 Please confirm that no signage or equipment from the exersize area on sheet DC1-1.1 is to be salvaged. C0-0.1 denotes that it is to be demolished.

Duplicate of Question 70

Please confirm that no signage or structures from the community garden space shown on DC1-1.1 will need to be salvaged and all items can be disposed of by the contractor.

Duplicate of Question 71

May 25, 2017

166 Please clarify the definition of "rough-in" on spec section 01 26

00 - 3.1 - B - 1 - f. How can MEP perform rough-in if the

Information Building MEP work is listed under specification section 01 26 00 - 3.1 - C - 1 - c.

Section 012600 - 3.1 - B - 1 - f is Information Building MEP rough-in work. Section 012600 - 3.1 - C - 1 - c is the Information Building MEP finish work and Interior finishes.

167 Please clarify which option in spec section 01 26 00 - 3.1 purchasing long lead MEP materials falls under

Option 2

168 Please clarify if above concrete slab drain or plumbing work is included in specification section 01 26 00 - 3.1 - E - 1.

The above slab drain or plumbing work is a part of Option 2.

Please clarify how MEP relocation work should be scoped for options 4 and 5 in accordance with specification sections 01 26

00 - 3.1 - D and E

Any MEP relocation work required to accomplish "Structural Repairs to

Columns at Sunken Courtyard" or "Structural Repairs to Concrete Slab

Above Electrical and Mechanical Vaults" must fall into Options 4 & 5, respectively.

170 Detail 8 indicates to extend the footing down to pile cap elevation as necessary for adequate bearing capacity at soil.

There is no way to tell if the soils will provide suitable bearing.

Please confirm all footings for the haunch wall will engage with the pile caps.

See S7-1.2 for referenced detail 8 per this question. Spread footings, slabs on grade and downturned slab on grade edges are designed to bear on soil with a minimum allowable soil bearing capacity of 2000psf.

171 On millwork drawings A6.-13.2 and A6-13.3 there are no details for how book cases and shelves are to be attached to walls.

Please provide these details.

See specification section 062023.3.3.B.2 and 062023.3.3.C.3 for fastening requirements.

172 Please clarify the desired canopy drains for the new LBJ canopies located between LBJ-8 and LBJ-10 on LBJ-F in Detail

2 on M2-2.0-NDC07001

See detail 4/A4-6.1 and detail 4/A8-1.11 for the intent of the canopy drainage. Drain spout details are on 9/A8-5.1, 6/A8-5.1 and 5/A8-5.1.

Downspout drain line from canopy gutter shall be core drilled thru existing slab per 5/A8-5.1. Plumbing lines in LBJ basement are per

M2-2-0.

173 Note E on sheet S-0-01.2 states that the design live load capacity for the plaza slab is 100PSF but goes on to say that the load capacity is currently reduced. Please provide current load capacity of plaza slab.

The design live load capacity for the plaza slab is 100PSF. See

"Structural Repair Design, Mechanical/Electrical Room Slab Site

Investigation and Survey Report" section of the "Structural Repairs to

Concrete Slab Above Electrical and Mechanical Vaults".

174 Specification 051520 subsection 2.2 - E states that cable net sample cables must be destructively tested to failure. This test is typically only required by post tension institute (PTI) in structural bridge applications and does not seem applicable to this cable net use. Please clarify if destructive testing on sample cables is required. The testing requirement is retained.

May 25, 2017

175 Detail 5/A8-1.9 shows WP-1 under PT-2 precast stairs. All other details for precast stairs show WP-4 underneath. Please confirm this should be WP-4

5/A8-1.8 should be noted WP-4, not WP-1.

176 Is all material labeled "granite boarder" on sheet DC1-1.1 to be salvaged for reuse?

All granite curb and street border are to be salvaged.

177 Please confirm that no granite needs to be salvaged from the granite stairs shown on sheet DC1-1.1.

Correct

178 There does not appear to be any information related to blast requirements for exterior openings or walls. Please confirm there is no blast requirement for this project.

It was determined by GSA that blast requirements were not required given Support Building use and being one story.

179 Section 04 4200-2.1.B(C?) states that the limestone is to have a flamed finish. Section 04 4200-2.3.F.2 says that the architect will provide stone samples showing the intended finish for all stone facing. Confim that a flamed finish is the desired finish for all limestone.

Flamed is the intended finish for the exterior stone cladding per

04200.2.1.B. Finish all material with flamed finish per approved samples per 044200.2.2.F. See other specification sections for other stone finishes required on the project.

180 The material schedule describes joint sealant JS-2 as a silicone sealant in "Areas subject to mildew". JS-2 is not called out in the drawings. Please provide locations for JS-2

See specification 079200.B.1 for locations of JS-2 sealant, in areas subject to mildew. Interior locations that require JS-2 sealant will be clarified. JS-2 use will be limited to the following rooms: 111, 110, 114, 115, 117, & 118 and 116.

181 The material schedule describes joint sealant JS-4 as a latex sealant in "Interior joints in vertical surfaces and horizontal non-traffic areas". JS-4 is not called out in the drawings. Please provide locations for JS-4.

See specification 079200.B.1 JS-4 is used at Interior joints in vertical surfaces and horizontal surfaces. Interior areas noted in A6 series for sealant will be clarified with sealant type JS-4.

The material schedule describes joint sealant JS-5 as a silicone sealant in "Moving lap joints between metal flashings and bedding joints". JS-5 is not called out in the drawings. Please provide locations for JS-5.

See specification 079200.B.1 JS-5 is used moving lap joints between metal flashings. This sealant applies for metal copings, metal canopy detailing, metal flashing and roofing detailing. Drawings will be clarify the JS-5 sealant type where shown. The intent of the sealant schedule is to identify general conditions for application of the sealant type. Not all conditions where this sealant is to be used may be shown in the details on the drawings.

183 Specification section 312000 sections 3.4 A and B provide procedures for Unclassified Excavation, and Classified

Excavation. Please confirm this project is unclassified.

This project is unclassified.

May 25, 2017

184 The bid form lists two unit prices for contaminated soil removal and augercast piles, which are identified in section 012100 under Allowances 7 and 8 respectively. A.) Please provide a quantity for Allowance 7 - Contaminated Soil removal, to be included Option 2&3. B.) Please confirm that Allowances 7 and

8 should be included in Option 2&3.

The quantity is 500 cubic yards and it should be included in Option 2.

Please provide a specification section for Glass and Glazing.

See Specification 084113 for GL-1, GL-2, GL-3 Aluminum-Framed

Entrances, Storefronts and Windows as indicated on A0-1.6.

The finish schedule for the support building shows CT-2 flooring at the Janitor's room and the Plumbing Chase. Detail

3/A6-1.2 shows TC flooring. Please confirm that the finish schedule should show these rooms to have TC flooring.

The floor in the plumbing chase/janitor room is to have the traffic coating. The finish schedule will be revised.

187 Can you please advise what % or amount the bid bond should be filled out for with our submission?

In accordance with FAR 28.101-2 (b) -- The bid guarantee amount shall be at least 20 percent of the bid price but shall not exceed $3 million. 188 There are no wage rates listed for “landscape and irrigation laborer” or “landscape operator” in General Decision

#DC1700002 dated 1/13/2017 that was provided with the bid documents. Please advise what wage should be used for landscape related work on this project

A conformance request, initiated by the awarded Contractor, will need to be submitted to the Department of Labor, National Office per the instructions on the attached SF-1444, REQUEST FOR

AUTHORIZATION OF ADDITIONAL CLASSIFICATION AND RATE.

Here is a link to the form:

https://www.gsa.gov/portal/forms/download/115906

This request is prepared at the time of employment of the unlisted classification. (Reference FAR 22.406-3 and 52.222-6(b), and Title 29

CFR Part 5, Section 5.5(a)). The contractor completes blocks 2 through

15 on the form.