IPA Recipe - Your thoughts?

My first post here, my third all-grain brew. Also my first stab at a recipe without completely copying or cloning anything. Im trying to develop a house IPA to keep on tap... Wondering what everyones thoughts are on the following:


Recipe: House IPA #1
Style: American IPA
TYPE: All Grain

Recipe Specifications
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Boil Size: 6.52 gal
Post Boil Volume: 5.98 gal
Batch Size (fermenter): 5.00 gal
Bottling Volume: 4.60 gal
Estimated OG: 1.067 SG
Estimated Color: 10.5 SRM
Estimated IBU: 77.7 IBUs
Brewhouse Efficiency: 72.00 %
Est Mash Efficiency: 82.8 %
Boil Time: 60 Minutes

Ingredients:
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Amt Name Type # %/IBU
11 lbs Pale Malt (2 Row) Bel (3.0 SRM) Grain 1 86.3 %
12.0 oz Caramel/Crystal Malt - 80L (80.0 SRM) Grain 2 5.9 %
8.0 oz Munich Malt (9.0 SRM) Grain 3 3.9 %
8.0 oz Wheat Malt, Bel (2.0 SRM) Grain 4 3.9 %
1.00 oz Summit [17.00 %] - Boil 60.0 min Hop 5 46.8 IBUs
1.00 oz Columbus (Tomahawk) [14.00 %] - Boil 30. Hop 6 29.6 IBUs
1.00 oz Centennial [10.00 %] - Boil 1.0 min Hop 7 1.3 IBUs
1.0 pkg American Ale Yeast Blend (White Labs #WL Yeast 8 -
1.00 oz Centennial [10.00 %] - Dry Hop 3.0 Days Hop 9 0.0 IBUs


Mash Schedule: Single Infusion, Light Body, No Mash Out
Total Grain Weight: 12 lbs 12.0 oz
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Name Description Step Temperat Step Time
Mash In Add 15.94 qt of water at 164.2 F 150.0 F 75 min

Sparge: Fly sparge with 4.32 gal water at 168.0 F
Notes:
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Please lend me your initial thoughts and any issues or problems you may see. Thanks!

Looks pretty good! Just a couple of things I'd change, actually. The malt bill looks fine.

I'd be inclined to change a couple of the hops additions. IPAs are all about hops. With the columbus at 30 minutes, you get some bittering but no real flavor or hops notes. I'd have hop additions at 60 minutes (for the bittering- those are fine), and add hops at 15, 10, 5, 0 and dryhopping.

so I'd do this:
1.00 oz Summit [17.00 %] - Boil 60.0 min Hop 5 46.8 IBUs

1.00 oz Columbus 15 minutes
1.00 oz Centennial 10 minutes
1.00 0z Cascade/centennial/amarillo/simcoe/whatever- 5 minutes
1.00 oz Centennial [10.00 %] - Boil 1.0 min Hop 7 1.3 IBUs

1.00 oz Centennial Dry Hop

Thanks for the reply, Yooper. I have made a few changes (based on what I have available). Going to brew it this weekend.

11 lbs Pale Malt (2 Row) Bel (3.0 SRM) Grain 1 88.0 %
8.0 oz Caramel/Crystal Malt - 80L (80.0 SRM) Grain 2 4.0 %
8.0 oz Munich Malt (9.0 SRM) Grain 3 4.0 %
8.0 oz Wheat Malt, Bel (2.0 SRM) Grain 4 4.0 %
1.00 oz Summit [17.00 %] - Boil 60.0 min Hop 5 47.2 IBUs
1.00 oz Columbus (Tomahawk) [14.00 %] - Boil 15. Hop 6 19.3 IBUs
1.00 oz Cascade [5.50 %] - Boil 10.0 min Hop 7 6.1 IBUs
1.00 oz Cascade [5.50 %] - Boil 0.0 min Hop 8 0.0 IBUs
1.0 pkg American Ale Yeast Blend (White Labs #WL Yeast 9 -
1.00 oz Cascade [5.50 %] - Dry Hop 3.0 Days Hop 10 0.0 IBUs