Thoughts on the Grain Bill for this IPA?

[oljimmy]

Recipe: My IPA
Brewer: Ol' Jimmy
Asst Brewer:
Style: American IPA
TYPE: All Grain
Taste: (30.0)

Recipe Specifications
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Boil Size: 6.78 gal
Post Boil Volume: 5.98 gal
Batch Size (fermenter): 5.50 gal
Bottling Volume: 5.53 gal
Estimated OG: 1.059 SG
Estimated Color: 11.8 SRM
Estimated IBU: 58.9 IBUs
Brewhouse Efficiency: 74.00 %
Est Mash Efficiency: 77.4 %
Boil Time: 60 Minutes

Ingredients:
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Amt Name Type # %/IBU
10 lbs 4.8 oz Pale Malt (2 Row) UK (3.0 SRM) Grain 1 83.4 %
13.5 oz Aromatic Malt (Briess) (20.0 SRM) Grain 2 6.9 %
8.7 oz Munich Malt (9.0 SRM) Grain 3 4.4 %
8.5 oz Caramel/Crystal Malt - 40L (40.0 SRM) Grain 4 4.3 %
2.0 oz Chocolate Malt (350.0 SRM) Grain 5 1.0 %

0.29 oz Warrior [15.00 %] - Boil 60.0 min Hop 6 14.4 IBUs
0.39 oz Simcoe [13.00 %] - Boil 30.0 min Hop 7 12.9 IBUs
0.39 oz Simcoe [13.00 %] - Boil 15.0 min Hop 8 8.3 IBUs
0.49 oz Centennial [10.00 %] - Boil 12.5 min Hop 9 7.0 IBUs
0.39 oz Simcoe [13.00 %] - Boil 10.0 min Hop 10 6.1 IBUs
0.50 oz Columbus/Tomahawk/Zeus (CTZ) [17.00 %] - Hop 11 5.5 IBUs
0.38 oz Amarillo [9.20 %] - Boil 5.0 min Hop 12 2.3 IBUs
0.31 oz Amarillo [9.20 %] - Steep/Whirlpool 15. Hop 13 2.3 IBUs
1.0 pkg California Ale (White Labs #WLP001) [35. Yeast 14 -

1.38 oz Columbus/Tomahawk/Zeus (CTZ) [17.00 %] - Hop 15 0.0 IBUs
0.71 oz Amarillo [9.20 %] - Dry Hop 7.0 Days Hop 16 0.0 IBUs
0.34 oz Simcoe [13.00 %] - Dry Hop 7.0 Days Hop 17 0.0 IBUs


Mash Schedule: 152
Total Grain Weight: 12 lbs 5.5 oz
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Name Description Step Temperat Step Time
Mash In Add 4.42 gal of water at 162.2 F 152.0 F 75 min

Sparge: Batch sparge with 2 steps (Drain mash tun , 4.40gal) of 168.0 F water
Notes:
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